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GenOn Mid-Atlantic, LLC

Refuse Systems, Prince George's County, Maryland. NPDES permit MD0054836, in force until Dec 31, 2029. Last 12 months: no values over a limit, 3 required values missing, 2 of 60 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 002 form A monthly (75 values), outfall 004 form A monthly (74 values), outfall 006 form A monthly (74 values), outfall MWB form 03 quarterly (25 values), outfall MWB form 10 quarterly (25 values), outfall MWB form 11 quarterly (25 values), and 6 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 45 required values missing, 0 of 72 reports late

Limits in force (412)

ParameterStatisticLimitMonthsOutfall
Color [PT-CO units]average≤ 75 col unit (pc)all year002
Color [PT-CO units]daily maximumreport only (col unit (pc))all year002
Conductivitymonthly averagereport only (uS/cm)all year002
Conductivitydaily maximumreport only (uS/cm)all year002
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year002
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Oil & Greasemonthly average≤ 15 mg/Lall year002
Oil & Greasedaily maximum≤ 20 mg/Lall year002
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002
Nitrogen, total [as N]monthly averagereport only (lb/d)all year002
Nitrogen, total [as N]daily maximumreport only (lb/d)all year002
Nitrogen, ammonia total [as N]averagereport only (mg/L)all year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (lb/d)all year002
Phosphorus, total [as P]daily maximumreport only (lb/d)all year002
Hardness, total [as CaCO3]averagereport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]averagereport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Chloride [as Cl]average≤ 230 mg/Lall year002
Chloride [as Cl]daily maximum≤ 860 mg/Lall year002
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year002
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year002
Arsenic, Inorganicmonthly averagereport only (ug/L)all year002
Arsenic, Inorganicdaily maximumreport only (ug/L)all year002
Arsenic, dissolved [as As]averagereport only (ug/L)all year002
Arsenic, dissolved [as As]daily maximumreport only (ug/L)all year002
Arsenic, total [as As]average≤ 150 ug/Lall year002
Arsenic, total [as As]daily maximum≤ 340 ug/Lall year002
Boron, total [as B]monthly averagereport only (ug/L)all year002
Boron, total [as B]daily maximumreport only (ug/L)all year002
Cadmium, dissolved [as Cd]averagereport only (ug/L)all year002
Cadmium, dissolved [as Cd]daily maximumreport only (ug/L)all year002
Cadmium, total [as Cd]maximum monthly average≤ .25 ug/Lall year002
Cadmium, total [as Cd]daily maximum≤ 2 ug/Lall year002
Chromium, total [as Cr]monthly averagereport only (ug/L)all year002
Chromium, total [as Cr]daily maximumreport only (ug/L)all year002
Copper, dissolved [as Cu]averagereport only (ug/L)all year002
Copper, dissolved [as Cu]daily maximumreport only (ug/L)all year002
Copper, total [as Cu]maximum monthly average≤ 9 ug/Lall year002
Copper, total [as Cu]daily maximum≤ 13 ug/Lall year002
Iron, total [as Fe]maximum monthly average≤ 3.5 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year002
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year002
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year002
Lead, dissolved [as Pb]averagereport only (ug/L)all year002
Lead, dissolved [as Pb]daily maximumreport only (ug/L)all year002
Lead, total [as Pb]average≤ 2.5 ug/Lall year002
Lead, total [as Pb]daily maximum≤ 65 ug/Lall year002
Nickel, dissolved [as Ni]averagereport only (ug/L)all year002
Nickel, dissolved [as Ni]daily maximumreport only (ug/L)all year002
Nickel, total [as Ni]maximum monthly average≤ 52 ug/Lall year002
Nickel, total [as Ni]daily maximum≤ 470 ug/Lall year002
Zinc, dissolved [as Zn]averagereport only (ug/L)all year002
Zinc, dissolved [as Zn]daily maximumreport only (ug/L)all year002
Zinc, total [as Zn]average≤ 120 ug/Lall year002
Zinc, total [as Zn]daily maximum≤ 120 ug/Lall year002
Selenium, dissolved [as Se]averagereport only (ug/L)all year002
Selenium, dissolved [as Se]daily maximumreport only (ug/L)all year002
Selenium, total [as Se]average≤ 5 ug/Lall year002
Selenium, total [as Se]daily maximum≤ 20 ug/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year002
Solids, total dissolvedmonthly averagereport only (mg/L)all year002
Solids, total dissolveddaily maximumreport only (mg/L)all year002
Mercury, total [as Hg]monthly averagereport only (ug/L)all year002
Mercury, total [as Hg]daily maximumreport only (ug/L)all year002
Toxicity, Acutedaily maximum≤ 1 toxicMar, Jun, Sep, Dec002
Toxicity, Chronicaveragereport only (toxic)Mar, Jun, Sep, Dec002
Color [PT-CO units]maximum monthly average≤ 75 col unit (pc)all year004
Color [PT-CO units]daily maximumreport only (col unit (pc))all year004
Conductivitymonthly averagereport only (uS/cm)all year004
Conductivitydaily maximumreport only (uS/cm)all year004
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year004
pHminimum≥ 6.5 SUall year004
pHmaximum≤ 8.5 SUall year004
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, total suspendedannual maximum≤ 3 ton/yrall year004
Oil & Greasemonthly average≤ 15 mg/Lall year004
Oil & Greasedaily maximum≤ 20 mg/Lall year004
Nitrogen, total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, total [as N]daily maximumreport only (mg/L)all year004
Nitrogen, total [as N]monthly averagereport only (lb/d)all year004
Nitrogen, total [as N]daily maximumreport only (lb/d)all year004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]monthly averagereport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]monthly averagereport only (lb/d)all year004
Phosphorus, total [as P]daily maximumreport only (lb/d)all year004
Hardness, total [as CaCO3]averagereport only (mg/L)all year004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year004
Chloride [as Cl]maximum monthly average≤ 230 mg/Lall year004
Chloride [as Cl]daily maximum≤ 860 mg/Lall year004
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year004
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year004
Arsenic, Inorganicmonthly averagereport only (mg/L)all year004
Arsenic, Inorganicdaily maximumreport only (mg/L)all year004
Arsenic, dissolved [as As]averagereport only (ug/L)all year004
Arsenic, dissolved [as As]daily maximumreport only (ug/L)all year004
Arsenic, total [as As]maximum monthly average≤ 150 ug/Lall year004
Arsenic, total [as As]daily maximum≤ 340 ug/Lall year004
Boron, total [as B]monthly averagereport only (mg/L)all year004
Boron, total [as B]daily maximumreport only (mg/L)all year004
Cadmium, dissolved [as Cd]averagereport only (ug/L)all year004
Cadmium, dissolved [as Cd]daily maximumreport only (ug/L)all year004
Cadmium, total [as Cd]maximum monthly average≤ .25 ug/Lall year004
Cadmium, total [as Cd]daily maximum≤ 1.8 ug/Lall year004
Chromium, total [as Cr]monthly averagereport only (mg/L)all year004
Chromium, total [as Cr]daily maximumreport only (mg/L)all year004
Copper, dissolved [as Cu]averagereport only (ug/L)all year004
Copper, dissolved [as Cu]daily maximumreport only (ug/L)all year004
Copper, total [as Cu]maximum monthly average≤ 9 ug/Lall year004
Copper, total [as Cu]daily maximum≤ 13 ug/Lall year004
Iron, total [as Fe]maximum monthly average≤ 3.5 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year004
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year004
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year004
Lead, dissolved [as Pb]averagereport only (ug/L)all year004
Lead, dissolved [as Pb]daily maximumreport only (ug/L)all year004
Lead, total [as Pb]maximum monthly average≤ 2.5 ug/Lall year004
Lead, total [as Pb]daily maximum≤ 65 ug/Lall year004
Nickel, dissolved [as Ni]averagereport only (ug/L)all year004
Nickel, dissolved [as Ni]daily maximumreport only (ug/L)all year004
Nickel, total [as Ni]maximum monthly average≤ 52 ug/Lall year004
Nickel, total [as Ni]daily maximum≤ 470 ug/Lall year004
Zinc, dissolved [as Zn]averagereport only (ug/L)all year004
Zinc, dissolved [as Zn]daily maximumreport only (ug/L)all year004
Zinc, total [as Zn]maximum monthly average≤ 120 ug/Lall year004
Zinc, total [as Zn]daily maximum≤ 120 ug/Lall year004
Selenium, dissolved [as Se]averagereport only (ug/L)all year004
Selenium, dissolved [as Se]daily maximumreport only (ug/L)all year004
Selenium, total [as Se]maximum monthly average≤ 5 ug/Lall year004
Selenium, total [as Se]daily maximum≤ 20 ug/Lall 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
Solids, total dissolvedmonthly averagereport only (mg/L)all year004
Solids, total dissolveddaily maximumreport only (mg/L)all year004
Mercury, total [as Hg]maximum monthly average≤ .77 ug/Lall year004
Mercury, total [as Hg]daily maximum≤ 1.4 ug/Lall year004
Toxicity, Acutedaily maximum≤ 1 toxicall year004
Toxicity, Chronicmonthly averagereport only (toxic)all year004
Color [PT-CO units]maximum monthly average≤ 75 col unit (pc)all year006
Color [PT-CO units]daily maximumreport only (col unit (pc))all year006
Conductivitymonthly averagereport only (uS/cm)all year006
Conductivitydaily maximumreport only (uS/cm)all year006
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year006
pHminimum≥ 6.5 SUall year006
pHmaximum≤ 8.5 SUall year006
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, total suspendeddaily maximum≤ 3 ton/yrall year006
Oil & Greasemonthly average≤ 15 mg/Lall year006
Oil & Greasedaily maximum≤ 20 mg/Lall year006
Nitrogen, total [as N]monthly averagereport only (mg/L)all year006
Nitrogen, total [as N]daily maximumreport only (mg/L)all year006
Nitrogen, total [as N]monthly averagereport only (lb/d)all year006
Nitrogen, total [as N]daily maximumreport only (lb/d)all year006
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year006
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year006
Phosphorus, total [as P]monthly averagereport only (mg/L)all year006
Phosphorus, total [as P]daily maximumreport only (mg/L)all year006
Phosphorus, total [as P]monthly averagereport only (lb/d)all year006
Phosphorus, total [as P]daily maximumreport only (lb/d)all year006
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year006
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year006
Chloride [as Cl]maximum monthly average≤ 230 mg/Lall year006
Chloride [as Cl]daily maximum≤ 860 mg/Lall year006
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year006
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year006
Arsenic, Inorganicmonthly averagereport only (ug/L)all year006
Arsenic, Inorganicdaily maximumreport only (ug/L)all year006
Arsenic, dissolved [as As]averagereport only (ug/L)all year006
Arsenic, dissolved [as As]daily maximumreport only (ug/L)all year006
Arsenic, total [as As]maximum monthly average≤ 150 ug/Lall year006
Arsenic, total [as As]daily maximum≤ 340 ug/Lall year006
Boron, total [as B]monthly averagereport only (mg/L)all year006
Boron, total [as B]daily maximumreport only (mg/L)all year006
Cadmium, dissolved [as Cd]averagereport only (ug/L)all year006
Cadmium, dissolved [as Cd]daily maximumreport only (ug/L)all year006
Cadmium, total [as Cd]maximum monthly average≤ .25 ug/Lall year006
Cadmium, total [as Cd]daily maximum≤ 1.8 ug/Lall year006
Chromium, total [as Cr]monthly averagereport only (mg/L)all year006
Chromium, total [as Cr]daily maximumreport only (mg/L)all year006
Copper, dissolved [as Cu]averagereport only (ug/L)all year006
Copper, dissolved [as Cu]daily maximumreport only (ug/L)all year006
Copper, total [as Cu]maximum monthly average≤ 9 ug/Lall year006
Copper, total [as Cu]daily maximum≤ 13 ug/Lall year006
Iron, total [as Fe]maximum monthly average≤ 3.5 mg/Lall year006
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year006
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year006
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year006
Lead, dissolved [as Pb]averagereport only (ug/L)all year006
Lead, dissolved [as Pb]daily maximumreport only (ug/L)all year006
Lead, total [as Pb]maximum monthly average≤ 2.5 ug/Lall year006
Lead, total [as Pb]daily maximum≤ 65 ug/Lall year006
Nickel, dissolved [as Ni]averagereport only (ug/L)all year006
Nickel, dissolved [as Ni]daily maximumreport only (ug/L)all year006
Nickel, total [as Ni]maximum monthly average≤ 52 ug/Lall year006
Nickel, total [as Ni]daily maximum≤ 470 ug/Lall year006
Zinc, dissolved [as Zn]averagereport only (ug/L)all year006
Zinc, dissolved [as Zn]daily maximumreport only (ug/L)all year006
Zinc, total [as Zn]maximum monthly average≤ 120 ug/Lall year006
Zinc, total [as Zn]daily maximum≤ 120 ug/Lall year006
Selenium, dissolved [as Se]averagereport only (ug/L)all year006
Selenium, dissolved [as Se]daily maximumreport only (ug/L)all year006
Selenium, total [as Se]maximum monthly average≤ 5 ug/Lall year006
Selenium, total [as Se]daily maximum≤ 20 ug/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Solids, total dissolvedmonthly averagereport only (mg/L)all year006
Solids, total dissolveddaily maximumreport only (mg/L)all year006
Mercury, total [as Hg]maximum monthly average≤ .77 ug/Lall year006
Mercury, total [as Hg]daily maximum≤ 1.4 ug/Lall year006
Toxicity, Acutedaily maximum≤ 1 toxicall year006
Toxicity, Chronicmonthly averagereport only (toxic)all year006
pHtotalreport only (SU)all yearMWB
pHtotalreport only (SU)all yearMWB
pHtotalreport only (SU)all yearMWB
pHtotalreport only (SU)all yearMWB
pHtotalreport only (SU)all yearMWB
pHtotalreport only (SU)all yearMWB
Nitrite + Nitrate total [as N]totalreport only (mg/L)all yearMWB
Nitrite + Nitrate total [as N]totalreport only (mg/L)all yearMWB
Nitrite + Nitrate total [as N]totalreport only (mg/L)all yearMWB
Nitrite + Nitrate total [as N]totalreport only (mg/L)all yearMWB
Nitrite + Nitrate total [as N]totalreport only (mg/L)all yearMWB
Nitrite + Nitrate total [as N]totalreport only (mg/L)all yearMWB
Chloride [as Cl]totalreport only (mg/L)all yearMWB
Chloride [as Cl]totalreport only (mg/L)all yearMWB
Chloride [as Cl]totalreport only (mg/L)all yearMWB
Chloride [as Cl]totalreport only (mg/L)all yearMWB
Chloride [as Cl]totalreport only (mg/L)all yearMWB
Chloride [as Cl]totalreport only (mg/L)all yearMWB
Sulfate, total [as SO4]totalreport only (mg/L)all yearMWB
Sulfate, total [as SO4]totalreport only (mg/L)all yearMWB
Sulfate, total [as SO4]totalreport only (mg/L)all yearMWB
Sulfate, total [as SO4]totalreport only (mg/L)all yearMWB
Sulfate, total [as SO4]totalreport only (mg/L)all yearMWB
Sulfate, total [as SO4]totalreport only (mg/L)all yearMWB
Fluoride, total [as F]totalreport only (ug/L)all yearMWB
Fluoride, total [as F]totalreport only (ug/L)all yearMWB
Fluoride, total [as F]totalreport only (ug/L)all yearMWB
Fluoride, total [as F]totalreport only (ug/L)all yearMWB
Fluoride, total [as F]totalreport only (ug/L)all yearMWB
Fluoride, total [as F]totalreport only (ug/L)all yearMWB
Arsenic, total [as As]totalreport only (ug/L)all yearMWB
Arsenic, total [as As]totalreport only (ug/L)all yearMWB
Arsenic, total [as As]totalreport only (ug/L)all yearMWB
Arsenic, total [as As]totalreport only (ug/L)all yearMWB
Arsenic, total [as As]totalreport only (ug/L)all yearMWB
Arsenic, total [as As]totalreport only (ug/L)all yearMWB
Barium, total [as Ba]totalreport only (ug/L)all yearMWB
Barium, total [as Ba]totalreport only (ug/L)all yearMWB
Barium, total [as Ba]totalreport only (ug/L)all yearMWB
Barium, total [as Ba]totalreport only (ug/L)all yearMWB
Barium, total [as Ba]totalreport only (ug/L)all yearMWB
Barium, total [as Ba]totalreport only (ug/L)all yearMWB
Beryllium, total [as Be]totalreport only (ug/L)all yearMWB
Beryllium, total [as Be]totalreport only (ug/L)all yearMWB
Beryllium, total [as Be]totalreport only (ug/L)all yearMWB
Beryllium, total [as Be]totalreport only (ug/L)all yearMWB
Beryllium, total [as Be]totalreport only (ug/L)all yearMWB
Beryllium, total [as Be]totalreport only (ug/L)all yearMWB
Boron, total [as B]totalreport only (ug/L)all yearMWB
Boron, total [as B]totalreport only (ug/L)all yearMWB
Boron, total [as B]totalreport only (ug/L)all yearMWB
Boron, total [as B]totalreport only (ug/L)all yearMWB
Boron, total [as B]totalreport only (ug/L)all yearMWB
Boron, total [as B]totalreport only (ug/L)all yearMWB
Cadmium, total [as Cd]totalreport only (ug/L)all yearMWB
Cadmium, total [as Cd]totalreport only (ug/L)all yearMWB
Cadmium, total [as Cd]totalreport only (ug/L)all yearMWB
Cadmium, total [as Cd]totalreport only (ug/L)all yearMWB
Cadmium, total [as Cd]totalreport only (ug/L)all yearMWB
Cadmium, total [as Cd]totalreport only (ug/L)all yearMWB
Chromium, total [as Cr]totalreport only (ug/L)all yearMWB
Chromium, total [as Cr]totalreport only (ug/L)all yearMWB
Chromium, total [as Cr]totalreport only (ug/L)all yearMWB
Chromium, total [as Cr]totalreport only (ug/L)all yearMWB
Chromium, total [as Cr]totalreport only (ug/L)all yearMWB
Chromium, total [as Cr]totalreport only (ug/L)all yearMWB
Copper, total [as Cu]totalreport only (ug/L)all yearMWB
Copper, total [as Cu]totalreport only (ug/L)all yearMWB
Copper, total [as Cu]totalreport only (ug/L)all yearMWB
Copper, total [as Cu]totalreport only (ug/L)all yearMWB
Copper, total [as Cu]totalreport only (ug/L)all yearMWB
Copper, total [as Cu]totalreport only (ug/L)all yearMWB
Iron, total [as Fe]totalreport only (mg/L)all yearMWB
Iron, total [as Fe]totalreport only (mg/L)all yearMWB
Iron, total [as Fe]totalreport only (mg/L)all yearMWB
Iron, total [as Fe]totalreport only (mg/L)all yearMWB
Iron, total [as Fe]totalreport only (mg/L)all yearMWB
Iron, total [as Fe]totalreport only (mg/L)all yearMWB
Lead, total [as Pb]totalreport only (ug/L)all yearMWB
Lead, total [as Pb]totalreport only (ug/L)all yearMWB
Lead, total [as Pb]totalreport only (ug/L)all yearMWB
Lead, total [as Pb]totalreport only (ug/L)all yearMWB
Lead, total [as Pb]totalreport only (ug/L)all yearMWB
Lead, total [as Pb]totalreport only (ug/L)all yearMWB
Manganese, total [as Mn]totalreport only (ug/L)all yearMWB
Manganese, total [as Mn]totalreport only (ug/L)all yearMWB
Manganese, total [as Mn]totalreport only (ug/L)all yearMWB
Manganese, total [as Mn]totalreport only (ug/L)all yearMWB
Manganese, total [as Mn]totalreport only (ug/L)all yearMWB
Manganese, total [as Mn]totalreport only (ug/L)all yearMWB
Thallium, total [as Tl]totalreport only (ug/L)all yearMWB
Thallium, total [as Tl]totalreport only (ug/L)all yearMWB
Thallium, total [as Tl]totalreport only (ug/L)all yearMWB
Thallium, total [as Tl]totalreport only (ug/L)all yearMWB
Thallium, total [as Tl]totalreport only (ug/L)all yearMWB
Thallium, total [as Tl]totalreport only (ug/L)all yearMWB
Nickel, total [as Ni]totalreport only (ug/L)all yearMWB
Nickel, total [as Ni]totalreport only (ug/L)all yearMWB
Nickel, total [as Ni]totalreport only (ug/L)all yearMWB
Nickel, total [as Ni]totalreport only (ug/L)all yearMWB
Nickel, total [as Ni]totalreport only (ug/L)all yearMWB
Nickel, total [as Ni]totalreport only (ug/L)all yearMWB
Silver, total [as Ag]totalreport only (ug/L)all yearMWB
Silver, total [as Ag]totalreport only (ug/L)all yearMWB
Silver, total [as Ag]totalreport only (ug/L)all yearMWB
Silver, total [as Ag]totalreport only (ug/L)all yearMWB
Silver, total [as Ag]totalreport only (ug/L)all yearMWB
Silver, total [as Ag]totalreport only (ug/L)all yearMWB
Antimony, total [as Sb]totalreport only (ug/L)all yearMWB
Antimony, total [as Sb]totalreport only (ug/L)all yearMWB
Antimony, total [as Sb]totalreport only (ug/L)all yearMWB
Antimony, total [as Sb]totalreport only (ug/L)all yearMWB
Antimony, total [as Sb]totalreport only (ug/L)all yearMWB
Antimony, total [as Sb]totalreport only (ug/L)all yearMWB
Aluminum, total [as Al]totalreport only (ug/L)all yearMWB
Aluminum, total [as Al]totalreport only (ug/L)all yearMWB
Aluminum, total [as Al]totalreport only (ug/L)all yearMWB
Aluminum, total [as Al]totalreport only (ug/L)all yearMWB
Aluminum, total [as Al]totalreport only (ug/L)all yearMWB
Aluminum, total [as Al]totalreport only (ug/L)all yearMWB
Selenium, total [as Se]totalreport only (ug/L)all yearMWB
Selenium, total [as Se]totalreport only (ug/L)all yearMWB
Selenium, total [as Se]totalreport only (ug/L)all yearMWB
Selenium, total [as Se]totalreport only (ug/L)all yearMWB
Selenium, total [as Se]totalreport only (ug/L)all yearMWB
Selenium, total [as Se]totalreport only (ug/L)all yearMWB
Radium, totaltotalreport only (pCi/mL)all yearMWB
Radium, totaltotalreport only (pCi/mL)all yearMWB
Radium, totaltotalreport only (pCi/mL)all yearMWB
Radium, totaltotalreport only (pCi/mL)all yearMWB
Radium, totaltotalreport only (pCi/mL)all yearMWB
Radium, totaltotalreport only (pCi/mL)all yearMWB
Solids, total dissolvedtotalreport only (mg/L)all yearMWB
Solids, total dissolvedtotalreport only (mg/L)all yearMWB
Solids, total dissolvedtotalreport only (mg/L)all yearMWB
Solids, total dissolvedtotalreport only (mg/L)all yearMWB
Solids, total dissolvedtotalreport only (mg/L)all yearMWB
Solids, total dissolvedtotalreport only (mg/L)all yearMWB
Mercury, total [as Hg]totalreport only (ug/L)all yearMWB
Mercury, total [as Hg]totalreport only (ug/L)all yearMWB
Mercury, total [as Hg]totalreport only (ug/L)all yearMWB
Mercury, total [as Hg]totalreport only (ug/L)all yearMWB
Mercury, total [as Hg]totalreport only (ug/L)all yearMWB
Mercury, total [as Hg]totalreport only (ug/L)all yearMWB
Water level at sample collection timetotalreport only (ft)all yearMWB
Water level at sample collection timetotalreport only (ft)all yearMWB
Water level at sample collection timetotalreport only (ft)all yearMWB
Water level at sample collection timetotalreport only (ft)all yearMWB
Water level at sample collection timetotalreport only (ft)all yearMWB
Water level at sample collection timetotalreport only (ft)all yearMWB
Specific conductancevaluereport only (umho/cm)all yearS01
Oxygen, dissolved [DO]minimumreport only (mg/L)all yearS01
pHvaluereport only (SU)all yearS01
Hardness, total [as CaCO3]valuereport only (mg/L)all yearS01
Chloride [as Cl]valuereport only (mg/L)all yearS01
Sulfate, total [as SO4]valuereport only (mg/L)all yearS01
Cadmium, total [as Cd]valuereport only (ug/L)all yearS01
Copper, total [as Cu]valuereport only (ug/L)all yearS01
Iron, total [as Fe]valuereport only (mg/L)all yearS01
Lead, total [as Pb]valuereport only (ug/L)all yearS01
Nickel, total [as Ni]valuereport only (ug/L)all yearS01
Zinc, total [as Zn]valuereport only (ug/L)all yearS01
Selenium, total [as Se]valuereport only (ug/L)all yearS01
Specific conductancevaluereport only (umho/cm)all yearS02
Oxygen, dissolved [DO]minimumreport only (mg/L)all yearS02
pHvaluereport only (SU)all yearS02
Hardness, total [as CaCO3]valuereport only (mg/L)all yearS02
Chloride [as Cl]valuereport only (mg/L)all yearS02
Sulfate, total [as SO4]valuereport only (mg/L)all yearS02
Cadmium, total [as Cd]valuereport only (ug/L)all yearS02
Copper, total [as Cu]valuereport only (ug/L)all yearS02
Iron, total [as Fe]valuereport only (mg/L)all yearS02
Lead, total [as Pb]valuereport only (ug/L)all yearS02
Nickel, total [as Ni]valuereport only (ug/L)all yearS02
Zinc, total [as Zn]valuereport only (ug/L)all yearS02
Selenium, total [as Se]valuereport only (ug/L)all yearS02
Specific conductancevaluereport only (umho/cm)all yearS03
Oxygen, dissolved [DO]minimumreport only (mg/L)all yearS03
pHvaluereport only (SU)all yearS03
Hardness, total [as CaCO3]valuereport only (mg/L)all yearS03
Chloride [as Cl]valuereport only (mg/L)all yearS03
Sulfate, total [as SO4]valuereport only (mg/L)all yearS03
Cadmium, total [as Cd]valuereport only (ug/L)all yearS03
Copper, total [as Cu]valuereport only (ug/L)all yearS03
Iron, total [as Fe]valuereport only (mg/L)all yearS03
Lead, total [as Pb]valuereport only (ug/L)all yearS03
Nickel, total [as Ni]valuereport only (ug/L)all yearS03
Zinc, total [as Zn]valuereport only (ug/L)all yearS03
Selenium, total [as Se]valuereport only (ug/L)all yearS03

How strict are these limits?

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

Same industry: the 14 Refuse Systems permits in Maryland.

Check this month's numbers Email me before each report is due

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Your permit document is the final word. As JSON: /api/v1/permits/MD0054836 · MCP: https://passage-data.com/mcp