Warminster Muni Auth Bucks Cnty — NPDES permit PA0026166: limits, due date and EPA's record

Sewage treatment plant, major discharger, Warminster, Pennsylvania. NPDES permit PA0026166 expired Aug 31, 2026; its limits still apply. Last 12 months: no values over a limit, 100 required values missing. Source: EPA ECHO, Oct 22, 2026.

Limits in force (169)

Parameter	Statistic	Limit	Months	Outfall
Oxygen, dissolved [DO]	minimum	≥ 6 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	monthly average	report only (lb/d)	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	weekly average	≤ 45 mg/L	all year	001
Solids, total suspended	monthly average	≤ 2044 lb/d	all year	001
Solids, total suspended	weekly average	≤ 3066 lb/d	all year	001
Solids, total suspended	monthly average	report only (mg/L)	all year	001
Solids, total suspended	monthly average	report only (lb/d)	all year	001
Nitrogen, total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, total [as N]	monthly average	report only (lb/d)	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1 mg/L	May–Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 3 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 68 lb/d	May–Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 204 lb/d	Jan, Feb, Mar, Apr, Nov, Dec	001
Nitrogen, Kjeldahl, total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, Kjeldahl, total [as N]	monthly average	report only (lb/d)	all year	001
Nitrite + Nitrate total [as N]	monthly average	report only (mg/L)	Jan, Feb, Mar, Apr, May, Jun, Nov, Dec	001
Nitrite + Nitrate total [as N]	monthly average	≤ 10 mg/L	Jul–Oct	001
Nitrite + Nitrate total [as N]	monthly average	report only (lb/d)	Jan, Feb, Mar, Apr, May, Jun, Nov, Dec	001
Nitrite + Nitrate total [as N]	monthly average	≤ 681 lb/d	Jul–Oct	001
Phosphorus, total [as P]	monthly average	≤ 2 mg/L	Jan, Feb, Mar, Nov, Dec	001
Phosphorus, total [as P]	monthly average	≤ 1.3 mg/L	Apr–Oct	001
Phosphorus, total [as P]	monthly average	≤ 136 lb/d	Jan, Feb, Mar, Nov, Dec	001
Phosphorus, total [as P]	monthly average	≤ 88 lb/d	Apr–Oct	001
Hardness, total [as CaCO3]	monthly average	report only (mg/L)	all year	001
Chloride [as Cl]	monthly average	report only (mg/L)	all year	001
Sulfate, total [as SO4]	monthly average	report only (mg/L)	all year	001
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	001
Iron, total [as Fe]	monthly average	≤ 1.67 mg/L	all year	001
Iron, total [as Fe]	daily maximum	≤ 2.65 mg/L	all year	001
Iron, total [as Fe]	monthly average	≤ 116 lb/d	all year	001
Iron, total [as Fe]	weekly average	≤ 181 lb/d	all year	001
Iron, dissolved [as Fe]	monthly average	report only (mg/L)	all year	001
Zinc, total [as Zn]	monthly average	report only (mg/L)	all year	001
Aluminum, total [as Al]	monthly average	≤ .75 mg/L	all year	001
Aluminum, total [as Al]	daily maximum	≤ .85 mg/L	all year	001
Aluminum, total [as Al]	monthly average	≤ 51.2 lb/d	all year	001
Aluminum, total [as Al]	weekly average	≤ 57.9 lb/d	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
E. coli	instantaneous maximum	report only (#/100mL)	all year	001
Ultraviolet light transmittance	minimum	report only (%)	all year	001
Toxicity [chronic], Ceriodaphnia dubia	daily maximum	≤ 1.14 tox chronic	all year	001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]	daily maximum	≤ 1.14 tox chronic	all year	001
Solids, total dissolved	monthly average	≤ 1000 mg/L	all year	001
Solids, total dissolved	monthly average	≤ 68221 lb/d	all year	001
Bromide [as Br]	monthly average	report only (mg/L)	all year	001
Coliform, fecal general	geometric mean	≤ 200 CFU/100mL	all year	001
Coliform, fecal general	instantaneous maximum	≤ 1000 CFU/100mL	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 25 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 15 mg/L	May–Oct	001
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 40 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	001
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 23 mg/L	May–Oct	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 1703 lb/d	Jan, Feb, Mar, Apr, Nov, Dec	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 1022 lb/d	May–Oct	001
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 2726 lb/d	Jan, Feb, Mar, Apr, Nov, Dec	001
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 1567 lb/d	May–Oct	001
BOD, carbonaceous [5 day, 20 C]	monthly average	report only (mg/L)	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	report only (lb/d)	all year	001
TU Static 7Day Chronic Ceriodaphnia dubia	daily maximum	≤ 1.14 tox chronic	all year	001
Static 7Day Chronic Pimephales Promelas	daily maximum	≤ 1.14 tox chronic	all year	001
Oxygen, dissolved [DO]	minimum	≥ 6 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	monthly average	report only (lb/d)	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Solids, total suspended	monthly average	≤ 30 mg/L	all year	002
Solids, total suspended	weekly average	≤ 45 mg/L	all year	002
Solids, total suspended	monthly average	≤ 188 lb/d	all year	002
Solids, total suspended	weekly average	≤ 281 lb/d	all year	002
Solids, total suspended	monthly average	report only (mg/L)	all year	002
Solids, total suspended	monthly average	report only (lb/d)	all year	002
Nitrogen, total [as N]	monthly average	report only (mg/L)	all year	002
Nitrogen, total [as N]	monthly average	report only (lb/d)	all year	002
Nitrogen, ammonia total [as N]	monthly average	≤ 1 mg/L	May–Oct	002
Nitrogen, ammonia total [as N]	monthly average	≤ 3 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	≤ 6 lb/d	May–Oct	002
Nitrogen, ammonia total [as N]	monthly average	≤ 19 lb/d	Jan, Feb, Mar, Apr, Nov, Dec	002
Nitrogen, Kjeldahl, total [as N]	monthly average	report only (mg/L)	all year	002
Nitrogen, Kjeldahl, total [as N]	monthly average	report only (lb/d)	all year	002
Nitrite + Nitrate total [as N]	monthly average	report only (mg/L)	Jan, Feb, Mar, Apr, May, Jun, Nov, Dec	002
Nitrite + Nitrate total [as N]	monthly average	≤ 10 mg/L	Jul–Oct	002
Nitrite + Nitrate total [as N]	monthly average	report only (lb/d)	Jan, Feb, Mar, Apr, May, Jun, Nov, Dec	002
Nitrite + Nitrate total [as N]	monthly average	≤ 63 lb/d	Jul–Oct	002
Phosphorus, total [as P]	monthly average	≤ 2 mg/L	Jan, Feb, Mar, Nov, Dec	002
Phosphorus, total [as P]	monthly average	≤ 1.3 mg/L	Apr–Oct	002
Phosphorus, total [as P]	monthly average	≤ 13 lb/d	Jan, Feb, Mar, Nov, Dec	002
Phosphorus, total [as P]	monthly average	≤ 8 lb/d	Apr–Oct	002
Hardness, total [as CaCO3]	monthly average	report only (mg/L)	all year	002
Chloride [as Cl]	monthly average	report only (mg/L)	all year	002
Sulfate, total [as SO4]	monthly average	report only (mg/L)	all year	002
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	002
Iron, total [as Fe]	monthly average	≤ 1.67 mg/L	all year	002
Iron, total [as Fe]	daily maximum	≤ 2.65 mg/L	all year	002
Iron, total [as Fe]	monthly average	≤ 116 lb/d	all year	002
Iron, total [as Fe]	weekly average	≤ 181 lb/d	all year	002
Iron, dissolved [as Fe]	monthly average	report only (mg/L)	all year	002
Zinc, total [as Zn]	monthly average	report only (mg/L)	all year	002
Aluminum, total [as Al]	monthly average	≤ .75 mg/L	all year	002
Aluminum, total [as Al]	daily maximum	≤ .85 mg/L	all year	002
Aluminum, total [as Al]	monthly average	≤ 51.2 lb/d	all year	002
Aluminum, total [as Al]	weekly average	≤ 57.9 lb/d	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
E. coli	instantaneous maximum	report only (#/100mL)	all year	002
Ultraviolet light transmittance	minimum	report only (%)	all year	002
Solids, total dissolved	monthly average	≤ 1000 mg/L	all year	002
Solids, total dissolved	monthly average	≤ 6255 lb/d	all year	002
Bromide [as Br]	monthly average	report only (mg/L)	all year	002
Coliform, fecal general	geometric mean	≤ 200 CFU/100mL	all year	002
Coliform, fecal general	instantaneous maximum	≤ 1000 CFU/100mL	all year	002
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 25 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	002
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 15 mg/L	May–Oct	002
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 40 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	002
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 23 mg/L	May–Oct	002
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 156 lb/d	Jan, Feb, Mar, Apr, Nov, Dec	002
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 94 lb/d	May–Oct	002
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 250 lb/d	Jan, Feb, Mar, Apr, Nov, Dec	002
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 144 lb/d	May–Oct	002
BOD, carbonaceous [5 day, 20 C]	monthly average	report only (mg/L)	all year	002
BOD, carbonaceous [5 day, 20 C]	monthly average	report only (lb/d)	all year	002
Oxygen demand, chem. [high level] [COD]	annual average	report only (mg/L)	all year	003
pH	annual average	report only (SU)	all year	003
Solids, total suspended	annual average	report only (mg/L)	all year	003
Oil & Grease	annual average	report only (mg/L)	all year	003
Nitrogen, Kjeldahl, total [as N]	annual average	report only (mg/L)	all year	003
Phosphorus, total [as P]	annual average	report only (mg/L)	all year	003
Iron, dissolved [as Fe]	annual average	report only (mg/L)	all year	003
Coliform, fecal general	annual average	report only (#/100mL)	all year	003
BOD, carbonaceous [5 day, 20 C]	annual average	report only (mg/L)	all year	003
Oxygen demand, chem. [high level] [COD]	annual average	report only (mg/L)	all year	004
pH	annual average	report only (SU)	all year	004
Solids, total suspended	annual average	report only (mg/L)	all year	004
Oil & Grease	annual average	report only (mg/L)	all year	004
Nitrogen, Kjeldahl, total [as N]	annual average	report only (mg/L)	all year	004
Phosphorus, total [as P]	annual average	report only (mg/L)	all year	004
Iron, dissolved [as Fe]	annual average	report only (mg/L)	all year	004
Coliform, fecal general	annual average	report only (CFU/100mL)	all year	004
BOD, carbonaceous [5 day, 20 C]	annual average	report only (mg/L)	all year	004
Oxygen demand, chem. [high level] [COD]	annual average	report only (mg/L)	all year	005
pH	annual average	report only (SU)	all year	005
Solids, total suspended	annual average	report only (mg/L)	all year	005
Oil & Grease	annual average	report only (mg/L)	all year	005
Nitrogen, Kjeldahl, total [as N]	annual average	report only (mg/L)	all year	005
Phosphorus, total [as P]	annual average	report only (mg/L)	all year	005
Iron, dissolved [as Fe]	annual average	report only (mg/L)	all year	005
Coliform, fecal general	annual average	report only (CFU/100mL)	all year	005
BOD, carbonaceous [5 day, 20 C]	annual average	report only (mg/L)	all year	005
Oxygen demand, chem. [high level] [COD]	annual average	report only (mg/L)	all year	006
pH	annual average	report only (SU)	all year	006
Solids, total suspended	annual average	report only (mg/L)	all year	006
Oil & Grease	annual average	report only (mg/L)	all year	006
Nitrogen, Kjeldahl, total [as N]	annual average	report only (mg/L)	all year	006
Phosphorus, total [as P]	annual average	report only (mg/L)	all year	006
Iron, dissolved [as Fe]	annual average	report only (mg/L)	all year	006
Coliform, fecal general	annual average	report only (CFU/100mL)	all year	006
BOD, carbonaceous [5 day, 20 C]	annual average	report only (mg/L)	all year	006
Oxygen demand, chem. [high level] [COD]	annual average	report only (mg/L)	all year	007
pH	annual average	report only (SU)	all year	007
Solids, total suspended	annual average	report only (mg/L)	all year	007
Oil & Grease	annual average	report only (mg/L)	all year	007
Nitrogen, Kjeldahl, total [as N]	annual average	report only (mg/L)	all year	007
Phosphorus, total [as P]	annual average	report only (mg/L)	all year	007
Iron, dissolved [as Fe]	annual average	report only (mg/L)	all year	007
Coliform, fecal general	annual average	report only (CFU/100mL)	all year	007
BOD, carbonaceous [5 day, 20 C]	annual average	report only (mg/L)	all year	007

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/PA0026166 · MCP: https://passage-data.com/mcp