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Allegheny Cnty Airport Auth

Sewerage Systems, major discharger, Pittsburgh, Pennsylvania. NPDES permit PA0203815, in force until Feb 28, 2030. Last 12 months: over a limit 5 times (last June 2026), 163 required values missing, 3 of 166 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (16 values), outfall 001 form Q quarterly (4 values), outfall 003 form A monthly (4 values), outfall 004 form A monthly (4 values), outfall 067 form Q quarterly (4 values), outfall 068 form Q quarterly (4 values), and 63 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 3 required values missing, 0 of 127 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingOutfallParameterReportedLimit
December 2025016pH, instantaneous maximum10.1 SU≤ 9 SU
December 2025021pH, instantaneous maximum9.3 SU≤ 9 SU
December 2025022pH, instantaneous maximum10.6 SU≤ 9 SU
June 2026016pH, instantaneous maximum9.2 SU≤ 9 SU
June 2026022pH, instantaneous maximum11.1 SU≤ 9 SU

Limits in force (598)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Oil & Greasemonthly average≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 30 mg/Lall year001
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year001
Lead, total [as Pb]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year001
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year001
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year001
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year001
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil & Greasemonthly average≤ 15 mg/Lall year003
Oil & Greasedaily maximum≤ 30 mg/Lall year003
Nitrogen, total [as N]daily maximumreport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Oil & Greasemonthly average≤ 15 mg/Lall year004
Oil & Greasedaily maximum≤ 30 mg/Lall year004
Nitrogen, total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year006
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year006
pHdaily maximumreport only (SU)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Nitrogen, total [as N]daily maximumreport only (mg/L)all year006
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year006
Phosphorus, total [as P]daily maximumreport only (mg/L)all year006
Propylene glycol, totaldaily maximumreport only (mg/L)all year006
Solids, total dissolveddaily maximumreport only (mg/L)all year006
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year009
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year009
pHdaily maximumreport only (SU)all year009
Solids, total suspendeddaily maximumreport only (mg/L)all year009
Nitrogen, total [as N]daily maximumreport only (mg/L)all year009
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year009
Phosphorus, total [as P]daily maximumreport only (mg/L)all year009
Propylene glycol, totaldaily maximumreport only (mg/L)all year009
Solids, total dissolveddaily maximumreport only (mg/L)all year009
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year011
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year011
pHdaily maximumreport only (SU)all year011
Solids, total suspendeddaily maximumreport only (mg/L)all year011
Nitrogen, total [as N]daily maximumreport only (mg/L)all year011
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year011
Phosphorus, total [as P]daily maximumreport only (mg/L)all year011
Propylene glycol, totaldaily maximumreport only (mg/L)all year011
Solids, total dissolveddaily maximumreport only (mg/L)all year011
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year012
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year012
pHdaily maximumreport only (SU)all year012
Solids, total suspendeddaily maximumreport only (mg/L)all year012
Nitrogen, total [as N]daily maximumreport only (mg/L)all year012
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year012
Phosphorus, total [as P]daily maximumreport only (mg/L)all year012
Propylene glycol, totaldaily maximumreport only (mg/L)all year012
Solids, total dissolveddaily maximumreport only (mg/L)all year012
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year013
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year013
pHdaily maximumreport only (SU)all year013
Solids, total suspendeddaily maximumreport only (mg/L)all year013
Nitrogen, total [as N]daily maximumreport only (mg/L)all year013
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year013
Phosphorus, total [as P]daily maximumreport only (mg/L)all year013
Propylene glycol, totaldaily maximumreport only (mg/L)all year013
Solids, total dissolveddaily maximumreport only (mg/L)all year013
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year014
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year014
pHdaily maximumreport only (SU)all year014
Solids, total suspendeddaily maximumreport only (mg/L)all year014
Nitrogen, total [as N]daily maximumreport only (mg/L)all year014
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year014
Phosphorus, total [as P]daily maximumreport only (mg/L)all year014
Propylene glycol, totaldaily maximumreport only (mg/L)all year014
Solids, total dissolveddaily maximumreport only (mg/L)all year014
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year015
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year015
pHdaily maximumreport only (SU)all year015
Solids, total suspendeddaily maximumreport only (mg/L)all year015
Nitrogen, total [as N]daily maximumreport only (mg/L)all year015
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year015
Phosphorus, total [as P]daily maximumreport only (mg/L)all year015
Propylene glycol, totaldaily maximumreport only (mg/L)all year015
Solids, total dissolveddaily maximumreport only (mg/L)all year015
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year016
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year016
pHinstantaneous minimum≥ 6 SUall year016
pHinstantaneous maximum≤ 9 SUall year016
Solids, total suspendeddaily maximumreport only (mg/L)all year016
Nitrogen, total [as N]daily maximumreport only (mg/L)all year016
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year016
Phosphorus, total [as P]daily maximumreport only (mg/L)all year016
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year016
Calcium, total [as Ca]daily maximumreport only (mg/L)all year016
Propylene glycol, totaldaily maximumreport only (mg/L)all year016
Solids, total dissolveddaily maximumreport only (mg/L)all year016
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year017
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year017
pHdaily maximumreport only (SU)all year017
Solids, total suspendeddaily maximumreport only (mg/L)all year017
Nitrogen, total [as N]daily maximumreport only (mg/L)all year017
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year017
Phosphorus, total [as P]daily maximumreport only (mg/L)all year017
Propylene glycol, totaldaily maximumreport only (mg/L)all year017
Solids, total dissolveddaily maximumreport only (mg/L)all year017
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year018
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year018
pHdaily maximumreport only (SU)all year018
Solids, total suspendeddaily maximumreport only (mg/L)all year018
Nitrogen, total [as N]daily maximumreport only (mg/L)all year018
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year018
Phosphorus, total [as P]daily maximumreport only (mg/L)all year018
Propylene glycol, totaldaily maximumreport only (mg/L)all year018
Solids, total dissolveddaily maximumreport only (mg/L)all year018
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year019
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year019
pHdaily maximumreport only (SU)all year019
Solids, total suspendeddaily maximumreport only (mg/L)all year019
Nitrogen, total [as N]daily maximumreport only (mg/L)all year019
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year019
Phosphorus, total [as P]daily maximumreport only (mg/L)all year019
Propylene glycol, totaldaily maximumreport only (mg/L)all year019
Solids, total dissolveddaily maximumreport only (mg/L)all year019
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year020
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year020
pHdaily maximumreport only (SU)all year020
Solids, total suspendeddaily maximumreport only (mg/L)all year020
Nitrogen, total [as N]daily maximumreport only (mg/L)all year020
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year020
Phosphorus, total [as P]daily maximumreport only (mg/L)all year020
Propylene glycol, totaldaily maximumreport only (mg/L)all year020
Solids, total dissolveddaily maximumreport only (mg/L)all year020
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year021
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year021
pHinstantaneous minimum≥ 6 SUall year021
pHinstantaneous maximum≤ 9 SUall year021
Solids, total suspendeddaily maximumreport only (mg/L)all year021
Nitrogen, total [as N]daily maximumreport only (mg/L)all year021
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year021
Phosphorus, total [as P]daily maximumreport only (mg/L)all year021
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year021
Calcium, total [as Ca]daily maximumreport only (mg/L)all year021
Propylene glycol, totaldaily maximumreport only (mg/L)all year021
Solids, total dissolveddaily maximumreport only (mg/L)all year021
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year022
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year022
pHinstantaneous minimum≥ 6 SUall year022
pHinstantaneous maximum≤ 9 SUall year022
Solids, total suspendeddaily maximumreport only (mg/L)all year022
Nitrogen, total [as N]daily maximumreport only (mg/L)all year022
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year022
Phosphorus, total [as P]daily maximumreport only (mg/L)all year022
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year022
Calcium, total [as Ca]daily maximumreport only (mg/L)all year022
Propylene glycol, totaldaily maximumreport only (mg/L)all year022
Solids, total dissolveddaily maximumreport only (mg/L)all year022
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year023
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year023
pHdaily maximumreport only (SU)all year023
Solids, total suspendeddaily maximumreport only (mg/L)all year023
Nitrogen, total [as N]daily maximumreport only (mg/L)all year023
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year023
Phosphorus, total [as P]daily maximumreport only (mg/L)all year023
Propylene glycol, totaldaily maximumreport only (mg/L)all year023
Solids, total dissolveddaily maximumreport only (mg/L)all year023
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year024
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year024
pHdaily maximumreport only (SU)all year024
Solids, total suspendeddaily maximumreport only (mg/L)all year024
Nitrogen, total [as N]daily maximumreport only (mg/L)all year024
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year024
Phosphorus, total [as P]daily maximumreport only (mg/L)all year024
Propylene glycol, totaldaily maximumreport only (mg/L)all year024
Solids, total dissolveddaily maximumreport only (mg/L)all year024
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year025
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year025
pHdaily maximumreport only (SU)all year025
Solids, total suspendeddaily maximumreport only (mg/L)all year025
Nitrogen, total [as N]daily maximumreport only (mg/L)all year025
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year025
Phosphorus, total [as P]daily maximumreport only (mg/L)all year025
Propylene glycol, totaldaily maximumreport only (mg/L)all year025
Solids, total dissolveddaily maximumreport only (mg/L)all year025
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year026
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year026
pHdaily maximumreport only (SU)all year026
Solids, total suspendeddaily maximumreport only (mg/L)all year026
Nitrogen, total [as N]daily maximumreport only (mg/L)all year026
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year026
Phosphorus, total [as P]daily maximumreport only (mg/L)all year026
Propylene glycol, totaldaily maximumreport only (mg/L)all year026
Solids, total dissolveddaily maximumreport only (mg/L)all year026
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year028
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year028
pHdaily maximumreport only (SU)all year028
Solids, total suspendeddaily maximumreport only (mg/L)all year028
Nitrogen, total [as N]daily maximumreport only (mg/L)all year028
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year028
Phosphorus, total [as P]daily maximumreport only (mg/L)all year028
Propylene glycol, totaldaily maximumreport only (mg/L)all year028
Solids, total dissolveddaily maximumreport only (mg/L)all year028
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year029
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year029
pHdaily maximumreport only (SU)all year029
Solids, total suspendeddaily maximumreport only (mg/L)all year029
Nitrogen, total [as N]daily maximumreport only (mg/L)all year029
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year029
Phosphorus, total [as P]daily maximumreport only (mg/L)all year029
Propylene glycol, totaldaily maximumreport only (mg/L)all year029
Solids, total dissolveddaily maximumreport only (mg/L)all year029
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year031
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year031
pHdaily maximumreport only (SU)all year031
Solids, total suspendeddaily maximumreport only (mg/L)all year031
Nitrogen, total [as N]daily maximumreport only (mg/L)all year031
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year031
Phosphorus, total [as P]daily maximumreport only (mg/L)all year031
Propylene glycol, totaldaily maximumreport only (mg/L)all year031
Solids, total dissolveddaily maximumreport only (mg/L)all year031
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year032
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year032
pHdaily maximumreport only (SU)all year032
Solids, total suspendeddaily maximumreport only (mg/L)all year032
Nitrogen, total [as N]daily maximumreport only (mg/L)all year032
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year032
Phosphorus, total [as P]daily maximumreport only (mg/L)all year032
Propylene glycol, totaldaily maximumreport only (mg/L)all year032
Solids, total dissolveddaily maximumreport only (mg/L)all year032
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year036
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year036
pHdaily maximumreport only (SU)all year036
Solids, total suspendeddaily maximumreport only (mg/L)all year036
Nitrogen, total [as N]daily maximumreport only (mg/L)all year036
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year036
Phosphorus, total [as P]daily maximumreport only (mg/L)all year036
Propylene glycol, totaldaily maximumreport only (mg/L)all year036
Solids, total dissolveddaily maximumreport only (mg/L)all year036
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year037
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year037
pHinstantaneous minimum≥ 6 SUall year037
pHinstantaneous maximum≤ 9 SUall year037
Solids, total suspendeddaily maximumreport only (mg/L)all year037
Nitrogen, total [as N]daily maximumreport only (mg/L)all year037
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year037
Phosphorus, total [as P]daily maximumreport only (mg/L)all year037
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year037
Calcium, total [as Ca]daily maximumreport only (mg/L)all year037
Propylene glycol, totaldaily maximumreport only (mg/L)all year037
Solids, total dissolveddaily maximumreport only (mg/L)all year037
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year038
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year038
pHdaily maximumreport only (SU)all year038
Solids, total suspendeddaily maximumreport only (mg/L)all year038
Nitrogen, total [as N]daily maximumreport only (mg/L)all year038
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year038
Phosphorus, total [as P]daily maximumreport only (mg/L)all year038
Propylene glycol, totaldaily maximumreport only (mg/L)all year038
Solids, total dissolveddaily maximumreport only (mg/L)all year038
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year039
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year039
pHdaily maximumreport only (SU)all year039
Solids, total suspendeddaily maximumreport only (mg/L)all year039
Nitrogen, total [as N]daily maximumreport only (mg/L)all year039
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year039
Phosphorus, total [as P]daily maximumreport only (mg/L)all year039
Propylene glycol, totaldaily maximumreport only (mg/L)all year039
Solids, total dissolveddaily maximumreport only (mg/L)all year039
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year040
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year040
pHdaily maximumreport only (SU)all year040
Solids, total suspendeddaily maximumreport only (mg/L)all year040
Nitrogen, total [as N]daily maximumreport only (mg/L)all year040
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year040
Phosphorus, total [as P]daily maximumreport only (mg/L)all year040
Propylene glycol, totaldaily maximumreport only (mg/L)all year040
Solids, total dissolveddaily maximumreport only (mg/L)all year040
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year041
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year041
pHdaily maximumreport only (SU)all year041
Solids, total suspendeddaily maximumreport only (mg/L)all year041
Nitrogen, total [as N]daily maximumreport only (mg/L)all year041
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year041
Phosphorus, total [as P]daily maximumreport only (mg/L)all year041
Propylene glycol, totaldaily maximumreport only (mg/L)all year041
Solids, total dissolveddaily maximumreport only (mg/L)all year041
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year042
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year042
pHdaily maximumreport only (SU)all year042
Solids, total suspendeddaily maximumreport only (mg/L)all year042
Nitrogen, total [as N]daily maximumreport only (mg/L)all year042
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year042
Phosphorus, total [as P]daily maximumreport only (mg/L)all year042
Propylene glycol, totaldaily maximumreport only (mg/L)all year042
Solids, total dissolveddaily maximumreport only (mg/L)all year042
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year043
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year043
pHdaily maximumreport only (SU)all year043
Solids, total suspendeddaily maximumreport only (mg/L)all year043
Nitrogen, total [as N]daily maximumreport only (mg/L)all year043
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year043
Phosphorus, total [as P]daily maximumreport only (mg/L)all year043
Propylene glycol, totaldaily maximumreport only (mg/L)all year043
Solids, total dissolveddaily maximumreport only (mg/L)all year043
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year044
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year044
pHdaily maximumreport only (SU)all year044
Solids, total suspendeddaily maximumreport only (mg/L)all year044
Nitrogen, total [as N]daily maximumreport only (mg/L)all year044
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year044
Phosphorus, total [as P]daily maximumreport only (mg/L)all year044
Propylene glycol, totaldaily maximumreport only (mg/L)all year044
Solids, total dissolveddaily maximumreport only (mg/L)all year044
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year045
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year045
pHdaily maximumreport only (SU)all year045
Solids, total suspendeddaily maximumreport only (mg/L)all year045
Nitrogen, total [as N]daily maximumreport only (mg/L)all year045
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year045
Phosphorus, total [as P]daily maximumreport only (mg/L)all year045
Propylene glycol, totaldaily maximumreport only (mg/L)all year045
Solids, total dissolveddaily maximumreport only (mg/L)all year045
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year047
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year047
pHdaily maximumreport only (SU)all year047
Solids, total suspendeddaily maximumreport only (mg/L)all year047
Nitrogen, total [as N]daily maximumreport only (mg/L)all year047
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year047
Phosphorus, total [as P]daily maximumreport only (mg/L)all year047
Propylene glycol, totaldaily maximumreport only (mg/L)all year047
Solids, total dissolveddaily maximumreport only (mg/L)all year047
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year048
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year048
pHdaily maximumreport only (SU)all year048
Solids, total suspendeddaily maximumreport only (mg/L)all year048
Nitrogen, total [as N]daily maximumreport only (mg/L)all year048
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year048
Phosphorus, total [as P]daily maximumreport only (mg/L)all year048
Propylene glycol, totaldaily maximumreport only (mg/L)all year048
Solids, total dissolveddaily maximumreport only (mg/L)all year048
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year050
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year050
pHdaily maximumreport only (SU)all year050
Solids, total suspendeddaily maximumreport only (mg/L)all year050
Nitrogen, total [as N]daily maximumreport only (mg/L)all year050
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year050
Phosphorus, total [as P]daily maximumreport only (mg/L)all year050
Propylene glycol, totaldaily maximumreport only (mg/L)all year050
Solids, total dissolveddaily maximumreport only (mg/L)all year050
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year051
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year051
pHdaily maximumreport only (SU)all year051
Solids, total suspendeddaily maximumreport only (mg/L)all year051
Nitrogen, total [as N]daily maximumreport only (mg/L)all year051
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year051
Phosphorus, total [as P]daily maximumreport only (mg/L)all year051
Propylene glycol, totaldaily maximumreport only (mg/L)all year051
Solids, total dissolveddaily maximumreport only (mg/L)all year051
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year056
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year056
pHdaily maximumreport only (SU)all year056
Solids, total suspendeddaily maximumreport only (mg/L)all year056
Nitrogen, total [as N]daily maximumreport only (mg/L)all year056
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year056
Phosphorus, total [as P]daily maximumreport only (mg/L)all year056
Propylene glycol, totaldaily maximumreport only (mg/L)all year056
Solids, total dissolveddaily maximumreport only (mg/L)all year056
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year057
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year057
pHdaily maximumreport only (SU)all year057
Solids, total suspendeddaily maximumreport only (mg/L)all year057
Nitrogen, total [as N]daily maximumreport only (mg/L)all year057
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year057
Phosphorus, total [as P]daily maximumreport only (mg/L)all year057
Propylene glycol, totaldaily maximumreport only (mg/L)all year057
Solids, total dissolveddaily maximumreport only (mg/L)all year057
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year058
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year058
pHdaily maximumreport only (SU)all year058
Solids, total suspendeddaily maximumreport only (mg/L)all year058
Nitrogen, total [as N]daily maximumreport only (mg/L)all year058
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year058
Phosphorus, total [as P]daily maximumreport only (mg/L)all year058
Propylene glycol, totaldaily maximumreport only (mg/L)all year058
Solids, total dissolveddaily maximumreport only (mg/L)all year058
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year060
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year060
pHdaily maximumreport only (SU)all year060
Solids, total suspendeddaily maximumreport only (mg/L)all year060
Nitrogen, total [as N]daily maximumreport only (mg/L)all year060
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year060
Phosphorus, total [as P]daily maximumreport only (mg/L)all year060
Propylene glycol, totaldaily maximumreport only (mg/L)all year060
Solids, total dissolveddaily maximumreport only (mg/L)all year060
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year061
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year061
pHdaily maximumreport only (SU)all year061
Solids, total suspendeddaily maximumreport only (mg/L)all year061
Nitrogen, total [as N]daily maximumreport only (mg/L)all year061
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year061
Phosphorus, total [as P]daily maximumreport only (mg/L)all year061
Propylene glycol, totaldaily maximumreport only (mg/L)all year061
Solids, total dissolveddaily maximumreport only (mg/L)all year061
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year062
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year062
pHdaily maximumreport only (SU)all year062
Solids, total suspendeddaily maximumreport only (mg/L)all year062
Nitrogen, total [as N]daily maximumreport only (mg/L)all year062
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year062
Phosphorus, total [as P]daily maximumreport only (mg/L)all year062
Propylene glycol, totaldaily maximumreport only (mg/L)all year062
Solids, total dissolveddaily maximumreport only (mg/L)all year062
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year063
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year063
pHdaily maximumreport only (SU)all year063
Solids, total suspendeddaily maximumreport only (mg/L)all year063
Nitrogen, total [as N]daily maximumreport only (mg/L)all year063
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year063
Phosphorus, total [as P]daily maximumreport only (mg/L)all year063
Propylene glycol, totaldaily maximumreport only (mg/L)all year063
Solids, total dissolveddaily maximumreport only (mg/L)all year063
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year064
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year064
pHdaily maximumreport only (SU)all year064
Solids, total suspendeddaily maximumreport only (mg/L)all year064
Nitrogen, total [as N]daily maximumreport only (mg/L)all year064
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year064
Phosphorus, total [as P]daily maximumreport only (mg/L)all year064
Propylene glycol, totaldaily maximumreport only (mg/L)all year064
Solids, total dissolveddaily maximumreport only (mg/L)all year064
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year066
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year066
pHdaily maximumreport only (SU)all year066
Solids, total suspendeddaily maximumreport only (mg/L)all year066
Nitrogen, total [as N]daily maximumreport only (mg/L)all year066
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year066
Phosphorus, total [as P]daily maximumreport only (mg/L)all year066
Propylene glycol, totaldaily maximumreport only (mg/L)all year066
Solids, total dissolveddaily maximumreport only (mg/L)all year066
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year067
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year067
pHdaily maximumreport only (SU)all year067
Solids, total suspendeddaily maximumreport only (mg/L)all year067
Nitrogen, total [as N]daily maximumreport only (mg/L)all year067
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year067
Phosphorus, total [as P]daily maximumreport only (mg/L)all year067
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year067
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year067
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year067
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year067
Propylene glycol, totaldaily maximumreport only (mg/L)all year067
Solids, total dissolveddaily maximumreport only (mg/L)all year067
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year068
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year068
pHdaily maximumreport only (SU)all year068
Solids, total suspendeddaily maximumreport only (mg/L)all year068
Nitrogen, total [as N]daily maximumreport only (mg/L)all year068
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year068
Phosphorus, total [as P]daily maximumreport only (mg/L)all year068
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year068
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year068
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year068
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year068
Propylene glycol, totaldaily maximumreport only (mg/L)all year068
Solids, total dissolveddaily maximumreport only (mg/L)all year068
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year069
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year069
pHdaily maximumreport only (SU)all year069
Solids, total suspendeddaily maximumreport only (mg/L)all year069
Nitrogen, total [as N]daily maximumreport only (mg/L)all year069
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year069
Phosphorus, total [as P]daily maximumreport only (mg/L)all year069
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year069
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year069
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year069
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year069
Propylene glycol, totaldaily maximumreport only (mg/L)all year069
Solids, total dissolveddaily maximumreport only (mg/L)all year069
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year070
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year070
pHdaily maximumreport only (SU)all year070
Solids, total suspendeddaily maximumreport only (mg/L)all year070
Nitrogen, total [as N]daily maximumreport only (mg/L)all year070
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year070
Phosphorus, total [as P]daily maximumreport only (mg/L)all year070
Propylene glycol, totaldaily maximumreport only (mg/L)all year070
Solids, total dissolveddaily maximumreport only (mg/L)all year070
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year071
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year071
pHdaily maximumreport only (SU)all year071
Solids, total suspendeddaily maximumreport only (mg/L)all year071
Nitrogen, total [as N]daily maximumreport only (mg/L)all year071
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year071
Phosphorus, total [as P]daily maximumreport only (mg/L)all year071
Propylene glycol, totaldaily maximumreport only (mg/L)all year071
Solids, total dissolveddaily maximumreport only (mg/L)all year071
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year072
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year072
pHdaily maximumreport only (SU)all year072
Solids, total suspendeddaily maximumreport only (mg/L)all year072
Nitrogen, total [as N]daily maximumreport only (mg/L)all year072
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year072
Phosphorus, total [as P]daily maximumreport only (mg/L)all year072
Propylene glycol, totaldaily maximumreport only (mg/L)all year072
Solids, total dissolveddaily maximumreport only (mg/L)all year072
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year073
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year073
pHdaily maximumreport only (SU)all year073
Solids, total suspendeddaily maximumreport only (mg/L)all year073
Nitrogen, total [as N]daily maximumreport only (mg/L)all year073
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year073
Phosphorus, total [as P]daily maximumreport only (mg/L)all year073
Propylene glycol, totaldaily maximumreport only (mg/L)all year073
Solids, total dissolveddaily maximumreport only (mg/L)all year073
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year074
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year074
pHdaily maximumreport only (SU)all year074
Solids, total suspendeddaily maximumreport only (mg/L)all year074
Nitrogen, total [as N]daily maximumreport only (mg/L)all year074
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year074
Phosphorus, total [as P]daily maximumreport only (mg/L)all year074
Propylene glycol, totaldaily maximumreport only (mg/L)all year074
Solids, total dissolveddaily maximumreport only (mg/L)all year074
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year075
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year075
pHdaily maximumreport only (SU)all year075
Solids, total suspendeddaily maximumreport only (mg/L)all year075
Nitrogen, total [as N]daily maximumreport only (mg/L)all year075
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year075
Phosphorus, total [as P]daily maximumreport only (mg/L)all year075
Propylene glycol, totaldaily maximumreport only (mg/L)all year075
Solids, total dissolveddaily maximumreport only (mg/L)all year075
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year085
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year085
pHdaily maximumreport only (SU)all year085
Solids, total suspendeddaily maximumreport only (mg/L)all year085
Nitrogen, total [as N]daily maximumreport only (mg/L)all year085
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year085
Phosphorus, total [as P]daily maximumreport only (mg/L)all year085
Propylene glycol, totaldaily maximumreport only (mg/L)all year085
Solids, total dissolveddaily maximumreport only (mg/L)all year085
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year086
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year086
pHdaily maximumreport only (SU)all year086
Solids, total suspendeddaily maximumreport only (mg/L)all year086
Nitrogen, total [as N]daily maximumreport only (mg/L)all year086
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year086
Phosphorus, total [as P]daily maximumreport only (mg/L)all year086
Propylene glycol, totaldaily maximumreport only (mg/L)all year086
Solids, total dissolveddaily maximumreport only (mg/L)all year086
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year087
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year087
pHdaily maximumreport only (SU)all year087
Solids, total suspendeddaily maximumreport only (mg/L)all year087
Nitrogen, total [as N]daily maximumreport only (mg/L)all year087
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year087
Phosphorus, total [as P]daily maximumreport only (mg/L)all year087
Propylene glycol, totaldaily maximumreport only (mg/L)all year087
Solids, total dissolveddaily maximumreport only (mg/L)all year087
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year088
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year088
pHdaily maximumreport only (SU)all year088
Solids, total suspendeddaily maximumreport only (mg/L)all year088
Nitrogen, total [as N]daily maximumreport only (mg/L)all year088
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year088
Phosphorus, total [as P]daily maximumreport only (mg/L)all year088
Propylene glycol, totaldaily maximumreport only (mg/L)all year088
Solids, total dissolveddaily maximumreport only (mg/L)all year088
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year089
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year089
pHdaily maximumreport only (SU)all year089
Solids, total suspendeddaily maximumreport only (mg/L)all year089
Nitrogen, total [as N]daily maximumreport only (mg/L)all year089
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year089
Phosphorus, total [as P]daily maximumreport only (mg/L)all year089
Propylene glycol, totaldaily maximumreport only (mg/L)all year089
Solids, total dissolveddaily maximumreport only (mg/L)all year089
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year090
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year090
pHdaily maximumreport only (SU)all year090
Solids, total suspendeddaily maximumreport only (mg/L)all year090
Nitrogen, total [as N]daily maximumreport only (mg/L)all year090
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year090
Phosphorus, total [as P]daily maximumreport only (mg/L)all year090
Propylene glycol, totaldaily maximumreport only (mg/L)all year090
Solids, total dissolveddaily maximumreport only (mg/L)all year090

How strict are these limits?

Cited limits by parameter: Pennsylvania's rules and the federal ones.

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