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Springfield STP

Sewage treatment plant, Springfield, Kentucky. NPDES permit KY0020907, in force until Sep 30, 2030. Last 12 months: over a limit 21 times (last August 2026), 1 of 31 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 002A form 1 monthly (41 values), outfall 002B form 1 monthly (37 values), outfall 002A form 2 quarterly, outfall 002A form 4 yearly, outfall 002A form P yearly, outfall 002B form 2 quarterly, and 1 more form
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 18 reports late

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

All 21 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025002ACopper, total recoverable, daily maximum.057 mg/L≤ .014 mg/L307%
October 2025002ACopper, total recoverable, monthly average.036 mg/L≤ .00933 mg/L286%
October 2025002BCopper, total recoverable, daily maximum.057 mg/L≤ .014 mg/L307%
October 2025002BCopper, total recoverable, monthly average.038 mg/L≤ .00933 mg/L307%
November 2025002ACopper, total recoverable, daily maximum.028 mg/L≤ .014 mg/L100%
November 2025002ACopper, total recoverable, monthly average.0148 mg/L≤ .00933 mg/L59%
December 2025002ACopper, total recoverable, daily maximum.1 mg/L≤ .014 mg/L614%
December 2025002ACopper, total recoverable, monthly average.043 mg/L≤ .00933 mg/L361%
December 2025002AE. coli, 7-day geometric mean261 #/100mL≤ 240 #/100mL9%
January 2026002ACopper, total recoverable, daily maximum.035 mg/L≤ .014 mg/L150%
January 2026002ACopper, total recoverable, monthly average.026 mg/L≤ .00933 mg/L179%
February 2026002ACopper, total recoverable, daily maximum.015 mg/L≤ .014 mg/L7%
February 2026002ACopper, total recoverable, monthly average.0109 mg/L≤ .00933 mg/L17%
April 2026002ACopper, total recoverable, daily maximum.02 mg/L≤ .014 mg/L43%
April 2026002ACopper, total recoverable, monthly average.0099 mg/L≤ .00933 mg/L6%
May 2026002AE. coli, 7-day geometric mean308 #/100mL≤ 240 #/100mL28%
July 2026002ACopper, total recoverable, daily maximum.02 mg/L≤ .014 mg/L43%
July 2026002ACopper, total recoverable, monthly average.0098 mg/L≤ .00933 mg/L5%
August 2026002ABOD, carbonaceous [5 day, 20 C], maximum weekly average25 mg/L≤ 22.5 mg/L11%
August 2026002ACopper, total recoverable, daily maximum.02 mg/L≤ .014 mg/L43%
August 2026002ACopper, total recoverable, monthly average.01 mg/L≤ .00933 mg/L7%

Limits in force (588)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeaveragereport only (deg C)May–Oct002A
Temperature, water deg. centigradeaveragereport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec002A
Temperature, water deg. centigrademaximumreport only (deg C)May–Oct002A
Temperature, water deg. centigrademaximumreport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec002A
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year002A
pHminimum≥ 6 SUall year002A
pHdaily maximum≤ 9 SUall year002A
Solids, total suspendedmonthly average≤ 30 mg/Lall year002A
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year002A
Solids, total suspendedmonthly average≤ 375.3 lb/dall year002A
Solids, total suspendeddaily maximum≤ 562.95 lb/dall year002A
Solids, total suspendedmonthly averagereport only (mg/L)all year002A
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year002A
Oil & Greasemonthly averagereport only (mg/L)all year002A
Oil & Greaseaveragereport only (mg/L)all year002A
Oil & Greasedaily maximumreport only (mg/L)all year002A
Oil & Greasemaximumreport only (mg/L)all year002A
Oil & Greasemonthly averagereport only (mg/L)all year002A
Oil & Greasedaily maximumreport only (mg/L)all year002A
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002A
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002A
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002A
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002A
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMay–Oct002A
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec002A
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMay–Oct002A
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec002A
Nitrogen, ammonia total [as N]monthly average≤ 50.1 lb/dMay–Oct002A
Nitrogen, ammonia total [as N]monthly average≤ 125.2 lb/dJan, Feb, Mar, Apr, Nov, Dec002A
Nitrogen, ammonia total [as N]daily maximum≤ 75.15 lb/dMay–Oct002A
Nitrogen, ammonia total [as N]daily maximum≤ 187.8 lb/dJan, Feb, Mar, Apr, Nov, Dec002A
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002A
Phosphorus, total [as P]averagereport only (mg/L)all year002A
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year002A
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002A
Phosphorus, total [as P]maximumreport only (mg/L)all year002A
Phosphorus, total [as P]daily maximum≤ 2 mg/Lall year002A
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002A
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002A
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002A
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002A
Cyanide, free [amenable to chlorination]monthly averagereport only (mg/L)all year002A
Cyanide, free [amenable to chlorination]averagereport only (ug/L)all year002A
Cyanide, free [amenable to chlorination]daily maximumreport only (mg/L)all year002A
Cyanide, free [amenable to chlorination]maximumreport only (ug/L)all year002A
Cyanide, free [amenable to chlorination]monthly averagereport only (mg/L)all year002A
Cyanide, free [amenable to chlorination]daily maximumreport only (mg/L)all year002A
Hardness, total [as CaCO3]averagereport only (mg/L)all year002A
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002A
Hardness, total [as CaCO3]maximumreport only (mg/L)all year002A
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002A
Chloride [as Cl]monthly averagereport only (mg/L)all year002A
Chloride [as Cl]daily maximumreport only (mg/L)all year002A
Chloride [as Cl]monthly averagereport only (mg/L)all year002A
Chloride [as Cl]daily maximumreport only (mg/L)all year002A
Arsenic, total recoverablemonthly averagereport only (mg/L)all year002A
Arsenic, total recoverableaveragereport only (ug/L)all year002A
Arsenic, total recoverabledaily maximumreport only (mg/L)all year002A
Arsenic, total recoverablemaximumreport only (ug/L)all year002A
Arsenic, total recoverablemonthly averagereport only (mg/L)all year002A
Arsenic, total recoverabledaily maximumreport only (mg/L)all year002A
Iron, total recoverablemonthly averagereport only (mg/L)all year002A
Iron, total recoverabledaily maximumreport only (mg/L)all year002A
Iron, total recoverablemonthly averagereport only (mg/L)all year002A
Iron, total recoverabledaily maximumreport only (mg/L)all year002A
Selenium, total recoverablemonthly averagereport only (mg/L)all year002A
Selenium, total recoverableaveragereport only (ug/L)all year002A
Selenium, total recoverabledaily maximumreport only (mg/L)all year002A
Selenium, total recoverablemaximumreport only (ug/L)all year002A
Selenium, total recoverablemonthly averagereport only (mg/L)all year002A
Selenium, total recoverabledaily maximumreport only (mg/L)all year002A
Thallium, total recoverableaveragereport only (ug/L)all year002A
Thallium, total recoverablemaximumreport only (ug/L)all year002A
Beryllium, total recoverable [as Be]averagereport only (ug/L)all year002A
Beryllium, total recoverable [as Be]maximumreport only (ug/L)all year002A
Nickel, total recoverablemonthly averagereport only (mg/L)all year002A
Nickel, total recoverableaveragereport only (ug/L)all year002A
Nickel, total recoverabledaily maximumreport only (mg/L)all year002A
Nickel, total recoverablemaximumreport only (ug/L)all year002A
Nickel, total recoverablemonthly averagereport only (mg/L)all year002A
Nickel, total recoverabledaily maximumreport only (mg/L)all year002A
Silver total recoverablemonthly averagereport only (mg/L)all year002A
Silver total recoverableaveragereport only (ug/L)all year002A
Silver total recoverabledaily maximumreport only (mg/L)all year002A
Silver total recoverablemaximumreport only (ug/L)all year002A
Silver total recoverablemonthly averagereport only (mg/L)all year002A
Silver total recoverabledaily maximumreport only (mg/L)all year002A
Zinc, total recoverablemonthly averagereport only (mg/L)all year002A
Zinc, total recoverableaveragereport only (ug/L)all year002A
Zinc, total recoverabledaily maximumreport only (mg/L)all year002A
Zinc, total recoverablemaximumreport only (ug/L)all year002A
Zinc, total recoverablemonthly averagereport only (mg/L)all year002A
Zinc, total recoverabledaily maximumreport only (mg/L)all year002A
Cadmium, total recoverablemonthly averagereport only (mg/L)all year002A
Cadmium, total recoverableaveragereport only (ug/L)all year002A
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002A
Cadmium, total recoverablemaximumreport only (ug/L)all year002A
Cadmium, total recoverablemonthly averagereport only (mg/L)all year002A
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002A
Lead, total recoverablemonthly averagereport only (mg/L)all year002A
Lead, total recoverableaveragereport only (ug/L)all year002A
Lead, total recoverabledaily maximumreport only (mg/L)all year002A
Lead, total recoverablemaximumreport only (ug/L)all year002A
Lead, total recoverablemonthly averagereport only (mg/L)all year002A
Lead, total recoverabledaily maximumreport only (mg/L)all year002A
Chromium, total recoverablemonthly averagereport only (mg/L)all year002A
Chromium, total recoverableaveragereport only (ug/L)all year002A
Chromium, total recoverabledaily maximumreport only (mg/L)all year002A
Chromium, total recoverablemaximumreport only (ug/L)all year002A
Chromium, total recoverablemonthly averagereport only (mg/L)all year002A
Chromium, total recoverabledaily maximumreport only (mg/L)all year002A
Copper, total recoverablemonthly averagereport only (mg/L)all year002A
Copper, total recoverableaveragereport only (ug/L)all year002A
Copper, total recoverablemonthly average≤ .00933 mg/Lall year002A
Copper, total recoverabledaily maximumreport only (mg/L)all year002A
Copper, total recoverablemaximumreport only (ug/L)all year002A
Copper, total recoverabledaily maximum≤ .014 mg/Lall year002A
Copper, total recoverablemonthly averagereport only (mg/L)all year002A
Copper, total recoverabledaily maximumreport only (mg/L)all year002A
Antimony, total recoverableaveragereport only (ug/L)all year002A
Antimony, total recoverablemaximumreport only (ug/L)all year002A
Dichlorobromomethaneaveragereport only (ug/L)all year002A
Dichlorobromomethanemaximumreport only (ug/L)all year002A
Carbon tetrachlorideaveragereport only (ug/L)all year002A
Carbon tetrachloridemaximumreport only (ug/L)all year002A
1,2-Dichloroethaneaveragereport only (ug/L)all year002A
1,2-Dichloroethanemaximumreport only (ug/L)all year002A
Bromoformaveragereport only (ug/L)all year002A
Bromoformmaximumreport only (ug/L)all year002A
Chloroformaveragereport only (ug/L)all year002A
Chloroformmaximumreport only (ug/L)all year002A
Tolueneaveragereport only (ug/L)all year002A
Toluenemaximumreport only (ug/L)all year002A
Benzeneaveragereport only (ug/L)all year002A
Benzenemaximumreport only (ug/L)all year002A
Phenolics, totalmonthly averagereport only (mg/L)all year002A
Phenolics, totaldaily maximumreport only (mg/L)all year002A
Phenolics, totalmonthly averagereport only (mg/L)all year002A
Phenolics, totaldaily maximumreport only (mg/L)all year002A
Acenaphthyleneaveragereport only (ug/L)all year002A
Acenaphthylenemaximumreport only (ug/L)all year002A
Acenaphtheneaveragereport only (ug/L)all year002A
Acenaphthenemaximumreport only (ug/L)all year002A
Acroleinaveragereport only (ug/L)all year002A
Acroleinmaximumreport only (ug/L)all year002A
Acrylonitrileaveragereport only (ug/L)all year002A
Acrylonitrilemaximumreport only (ug/L)all year002A
Anthraceneaveragereport only (ug/L)all year002A
Anthracenemaximumreport only (ug/L)all year002A
Benzo[k]fluorantheneaveragereport only (ug/L)all year002A
Benzo[k]fluoranthenemaximumreport only (ug/L)all year002A
Benzo[a]pyreneaveragereport only (ug/L)all year002A
Benzo[a]pyrenemaximumreport only (ug/L)all year002A
Bis[2-chloroethyl] etheraveragereport only (ug/L)all year002A
Bis[2-chloroethyl] ethermaximumreport only (ug/L)all year002A
Bis[2-chloroethoxy]methaneaveragereport only (ug/L)all year002A
Bis[2-chloroethoxy]methanemaximumreport only (ug/L)all year002A
Bis[2-chloroisopropyl] etheraveragereport only (ug/L)all year002A
Bis[2-chloroisopropyl] ethermaximumreport only (ug/L)all year002A
Butyl benzyl phthalateaveragereport only (ug/L)all year002A
Butyl benzyl phthalatemaximumreport only (ug/L)all year002A
Chlorobenzeneaveragereport only (ug/L)all year002A
Chlorobenzenemaximumreport only (ug/L)all year002A
Chlorodibromomethaneaveragereport only (ug/L)all year002A
Chlorodibromomethanemaximumreport only (ug/L)all year002A
Chryseneaveragereport only (ug/L)all year002A
Chrysenemaximumreport only (ug/L)all year002A
Diethyl phthalateaveragereport only (ug/L)all year002A
Diethyl phthalatemaximumreport only (ug/L)all year002A
Dimethyl phthalateaveragereport only (ug/L)all year002A
Dimethyl phthalatemaximumreport only (ug/L)all year002A
1,2-Diphenylhydrazineaveragereport only (ug/L)all year002A
1,2-Diphenylhydrazinemaximumreport only (ug/L)all year002A
Ethylbenzeneaveragereport only (ug/L)all year002A
Ethylbenzenemaximumreport only (ug/L)all year002A
Fluorantheneaveragereport only (ug/L)all year002A
Fluoranthenemaximumreport only (ug/L)all year002A
Fluoreneaveragereport only (ug/L)all year002A
Fluorenemaximumreport only (ug/L)all year002A
Hexachlorocyclopentadieneaveragereport only (ug/L)all year002A
Hexachlorocyclopentadienemaximumreport only (ug/L)all year002A
Hexachloroethaneaveragereport only (ug/L)all year002A
Hexachloroethanemaximumreport only (ug/L)all year002A
Indeno[1,2,3-cd]pyreneaveragereport only (ug/L)all year002A
Indeno[1,2,3-cd]pyrenemaximumreport only (ug/L)all year002A
Isophoroneaveragereport only (ug/L)all year002A
Isophoronemaximumreport only (ug/L)all year002A
Methyl bromide [Bromomethane]averagereport only (ug/L)all year002A
Methyl bromide [Bromomethane]maximumreport only (ug/L)all year002A
Methyl chloride [Chloromethane]averagereport only (ug/L)all year002A
Methyl chloride [Chloromethane]maximumreport only (ug/L)all year002A
Methylene chlorideaveragereport only (ug/L)all year002A
Methylene chloridemaximumreport only (ug/L)all year002A
N-Nitrosodi-N-propylamineaveragereport only (ug/L)all year002A
N-Nitrosodi-N-propylaminemaximumreport only (ug/L)all year002A
N-Nitrosodiphenylamineaveragereport only (ug/L)all year002A
N-Nitrosodiphenylaminemaximumreport only (ug/L)all year002A
N-Nitrosodimethylamine [NDMA]averagereport only (ug/L)all year002A
N-Nitrosodimethylamine [NDMA]maximumreport only (ug/L)all year002A
Nitrobenzeneaveragereport only (ug/L)all year002A
Nitrobenzenemaximumreport only (ug/L)all year002A
Phenanthreneaveragereport only (ug/L)all year002A
Phenanthrenemaximumreport only (ug/L)all year002A
Pyreneaveragereport only (ug/L)all year002A
Pyrenemaximumreport only (ug/L)all year002A
Tetrachloroethyleneaveragereport only (ug/L)all year002A
Tetrachloroethylenemaximumreport only (ug/L)all year002A
1,1-Dichloroethaneaveragereport only (ug/L)all year002A
1,1-Dichloroethanemaximumreport only (ug/L)all year002A
1,1-Dichloroethyleneaveragereport only (ug/L)all year002A
1,1-Dichloroethylenemaximumreport only (ug/L)all year002A
1,1,1-Trichloroethaneaveragereport only (ug/L)all year002A
1,1,1-Trichloroethanemaximumreport only (ug/L)all year002A
1,1,2-Trichloroethaneaveragereport only (ug/L)all year002A
1,1,2-Trichloroethanemaximumreport only (ug/L)all year002A
1,1,2,2-Tetrachloroethaneaveragereport only (mg/L)all year002A
1,1,2,2-Tetrachloroethanemaximumreport only (mg/L)all year002A
Benzo[ghi]peryleneaveragereport only (ug/L)all year002A
Benzo[ghi]perylenemaximumreport only (ug/L)all year002A
Benzo[a]anthraceneaveragereport only (ug/L)all year002A
Benzo[a]anthracenemaximumreport only (ug/L)all year002A
1,2-Dichlorobenzeneaveragereport only (ug/L)all year002A
1,2-Dichlorobenzenemaximumreport only (ug/L)all year002A
1,2-Dichloropropaneaveragereport only (ug/L)all year002A
1,2-Dichloropropanemaximumreport only (ug/L)all year002A
trans-1,2-Dichloroethyleneaveragereport only (ug/L)all year002A
trans-1,2-Dichloroethylenemaximumreport only (ug/L)all year002A
1,2,4-Trichlorobenzeneaveragereport only (ug/L)all year002A
1,2,4-Trichlorobenzenemaximumreport only (ug/L)all year002A
Dibenz[a,h]anthraceneaveragereport only (ug/L)all year002A
Dibenz[a,h]anthracenemaximumreport only (ug/L)all year002A
1,3-Dichlorobenzeneaveragereport only (ug/L)all year002A
1,3-Dichlorobenzenemaximumreport only (ug/L)all year002A
1,4-Dichlorobenzeneaveragereport only (ug/L)all year002A
1,4-Dichlorobenzenemaximumreport only (ug/L)all year002A
2-Chloroethyl vinyl ether, [mixed]averagereport only (ug/L)all year002A
2-Chloroethyl vinyl ether, [mixed]maximumreport only (ug/L)all year002A
2-Chloronaphthaleneaveragereport only (ug/L)all year002A
2-Chloronaphthalenemaximumreport only (ug/L)all year002A
2-Chlorophenolaveragereport only (ug/L)all year002A
2-Chlorophenolmaximumreport only (ug/L)all year002A
2-Nitrophenolaveragereport only (ug/L)all year002A
2-Nitrophenolmaximumreport only (ug/L)all year002A
2,4-Dichlorophenolaveragereport only (ug/L)all year002A
2,4-Dichlorophenolmaximumreport only (ug/L)all year002A
2,4-Dimethylphenolaveragereport only (ug/L)all year002A
2,4-Dimethylphenolmaximumreport only (ug/L)all year002A
2,4-Dinitrotolueneaveragereport only (ug/L)all year002A
2,4-Dinitrotoluenemaximumreport only (ug/L)all year002A
2,4-Dinitrophenolaveragereport only (ug/L)all year002A
2,4-Dinitrophenolmaximumreport only (ug/L)all year002A
2,4,6-Trichlorophenolaveragereport only (ug/L)all year002A
2,4,6-Trichlorophenolmaximumreport only (ug/L)all year002A
2,6-Dinitrotolueneaveragereport only (ug/L)all year002A
2,6-Dinitrotoluenemaximumreport only (ug/L)all year002A
3,3'-Dichlorobenzidineaveragereport only (ug/L)all year002A
3,3'-Dichlorobenzidinemaximumreport only (ug/L)all year002A
4-Bromophenyl phenyl etheraveragereport only (ug/L)all year002A
4-Bromophenyl phenyl ethermaximumreport only (ug/L)all year002A
4-Chlorophenyl phenyl etheraveragereport only (ug/L)all year002A
4-Chlorophenyl phenyl ethermaximumreport only (ug/L)all year002A
4-Nitrophenolaveragereport only (ug/L)all year002A
4-Nitrophenolmaximumreport only (ug/L)all year002A
4,6-Dinitro-o-cresolaveragereport only (ug/L)all year002A
4,6-Dinitro-o-cresolmaximumreport only (ug/L)all year002A
Phenolaveragereport only (ug/L)all year002A
Phenolmaximumreport only (ug/L)all year002A
Naphthaleneaveragereport only (ug/L)all year002A
Naphthalenemaximumreport only (ug/L)all year002A
Pentachlorophenolaveragereport only (ug/L)all year002A
Pentachlorophenolmaximumreport only (ug/L)all year002A
Di[2-ethylhexyl] phthalate [DEHP]averagereport only (ug/L)all year002A
Di[2-ethylhexyl] phthalate [DEHP]maximumreport only (ug/L)all year002A
Di-n-butyl phthalateaveragereport only (ug/L)all year002A
Di-n-butyl phthalatemaximumreport only (ug/L)all year002A
Benzidineaveragereport only (ug/L)all year002A
Benzidinemaximumreport only (ug/L)all year002A
Vinyl chlorideaveragereport only (ug/L)all year002A
Vinyl chloridemaximumreport only (ug/L)all year002A
Trichloroethyleneaveragereport only (ug/L)all year002A
Trichloroethylenemaximumreport only (ug/L)all year002A
Hexachlorobenzeneaveragereport only (ug/L)all year002A
Hexachlorobenzenemaximumreport only (ug/L)all year002A
Hexachlorobutadieneaveragereport only (ug/L)all year002A
Hexachlorobutadienemaximumreport only (ug/L)all year002A
Chlorideaveragereport only (ug/L)all year002A
Chloridemaximumreport only (ug/L)all year002A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002A
Chlorine, total residualmonthly average≤ .011 mg/Lall year002A
Chlorine, total residualdaily maximum≤ .019 mg/Lall year002A
E. coli30-day geometric mean≤ 130 #/100mLall year002A
E. coli7-day geometric mean≤ 240 #/100mLall year002A
1,3-Dichloropropyleneaveragereport only (ug/L)all year002A
1,3-Dichloropropylenemaximumreport only (ug/L)all year002A
Nitrogen, Kjeldahl Totalaveragereport only (mg/L)all year002A
Nitrogen, Kjeldahl Totalmaximumreport only (mg/L)all year002A
Nitrite Plus Nitrate Totalaveragereport only (mg/L)all year002A
Nitrite Plus Nitrate Totalmaximumreport only (mg/L)all year002A
Phenolic compounds, totalaveragereport only (mg/L)all year002A
Phenolic compounds, totalmaximumreport only (mg/L)all year002A
Solids, total dissolved [TDS]averagereport only (mg/L)all year002A
Solids, total dissolved [TDS]maximumreport only (mg/L)all year002A
Mercury, total recoverablemonthly averagereport only (mg/L)all year002A
Mercury, total recoverableaveragereport only (mg/L)all year002A
Mercury, total recoverabledaily maximumreport only (mg/L)all year002A
Mercury, total recoverablemaximumreport only (mg/L)all year002A
Mercury, total recoverablemonthly averagereport only (mg/L)all year002A
Mercury, total recoverabledaily maximumreport only (mg/L)all year002A
Chromium, hexavalent tot recoverablemonthly averagereport only (mg/L)all year002A
Chromium, hexavalent tot recoverabledaily maximumreport only (mg/L)all year002A
Chromium, hexavalent tot recoverablemonthly averagereport only (mg/L)all year002A
Chromium, hexavalent tot recoverabledaily maximumreport only (mg/L)all year002A
3,4-Benzofluorantheneaveragereport only (ug/L)all year002A
3,4-Benzofluoranthenemaximumreport only (ug/L)all year002A
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year002A
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 22.5 mg/Lall year002A
BOD, carbonaceous [5 day, 20 C]monthly average≤ 187.8 lb/dall year002A
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 281.7 lb/dall year002A
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year002A
BOD, carbonaceous [5 day, 20 C]maximum weekly averagereport only (mg/L)all year002A
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year002A
Solids, suspended percent removalmonthly average minimum≥ 85 %all year002A
p-Chloro-m-cresolaveragereport only (ug/L)all year002A
p-Chloro-m-cresolmaximumreport only (ug/L)all year002A
Chloroethaneaveragereport only (ug/L)all year002A
Chloroethanemaximumreport only (ug/L)all year002A
Toxicity, Chronicdaily maximum≤ 1 tox chronicall year002A
Temperature, water deg. centigradeaveragereport only (deg C)May–Oct002B
Temperature, water deg. centigradeaveragereport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec002B
Temperature, water deg. centigrademaximumreport only (deg C)May–Oct002B
Temperature, water deg. centigrademaximumreport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec002B
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year002B
pHminimum≥ 6 SUall year002B
pHdaily maximum≤ 9 SUall year002B
Solids, total suspendedmonthly average≤ 30 mg/Lall year002B
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year002B
Solids, total suspendedmonthly average≤ 475.38 lb/dall year002B
Solids, total suspendeddaily maximum≤ 713.07 lb/dall year002B
Solids, total suspendedmonthly averagereport only (mg/L)all year002B
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year002B
Oil & Greaseaveragereport only (mg/L)all year002B
Oil & Greasemaximumreport only (mg/L)all year002B
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002B
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002B
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002B
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002B
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMay–Oct002B
Nitrogen, ammonia total [as N]monthly average≤ 11 mg/LJan, Feb, Mar, Apr, Nov, Dec002B
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMay–Oct002B
Nitrogen, ammonia total [as N]daily maximum≤ 16.5 mg/LJan, Feb, Mar, Apr, Nov, Dec002B
Nitrogen, ammonia total [as N]monthly average≤ 63.1 lb/dMay–Oct002B
Nitrogen, ammonia total [as N]monthly average≤ 158.6 lb/dJan, Feb, Mar, Apr, Nov, Dec002B
Nitrogen, ammonia total [as N]daily maximum≤ 94.65 lb/dMay–Oct002B
Nitrogen, ammonia total [as N]daily maximum≤ 237.9 lb/dJan, Feb, Mar, Apr, Nov, Dec002B
Phosphorus, total [as P]averagereport only (mg/L)all year002B
Phosphorus, total [as P]maximumreport only (mg/L)all year002B
Cyanide, free [amenable to chlorination]averagereport only (ug/L)all year002B
Cyanide, free [amenable to chlorination]maximumreport only (ug/L)all year002B
Hardness, total [as CaCO3]averagereport only (mg/L)all year002B
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002B
Hardness, total [as CaCO3]maximumreport only (mg/L)all year002B
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002B
Arsenic, total recoverableaveragereport only (ug/L)all year002B
Arsenic, total recoverablemaximumreport only (ug/L)all year002B
Selenium, total recoverableaveragereport only (ug/L)all year002B
Selenium, total recoverablemaximumreport only (ug/L)all year002B
Thallium, total recoverableaveragereport only (ug/L)all year002B
Thallium, total recoverablemaximumreport only (ug/L)all year002B
Beryllium, total recoverable [as Be]averagereport only (ug/L)all year002B
Beryllium, total recoverable [as Be]maximumreport only (ug/L)all year002B
Nickel, total recoverableaveragereport only (ug/L)all year002B
Nickel, total recoverablemaximumreport only (ug/L)all year002B
Silver total recoverableaveragereport only (ug/L)all year002B
Silver total recoverablemaximumreport only (ug/L)all year002B
Zinc, total recoverableaveragereport only (ug/L)all year002B
Zinc, total recoverablemaximumreport only (ug/L)all year002B
Cadmium, total recoverableaveragereport only (ug/L)all year002B
Cadmium, total recoverablemaximumreport only (ug/L)all year002B
Lead, total recoverableaveragereport only (ug/L)all year002B
Lead, total recoverablemaximumreport only (ug/L)all year002B
Chromium, total recoverableaveragereport only (ug/L)all year002B
Chromium, total recoverablemaximumreport only (ug/L)all year002B
Copper, total recoverableaveragereport only (ug/L)all year002B
Copper, total recoverablemonthly average≤ .00933 mg/Lall year002B
Copper, total recoverablemaximumreport only (ug/L)all year002B
Copper, total recoverabledaily maximum≤ .014 mg/Lall year002B
Antimony, total recoverableaveragereport only (ug/L)all year002B
Antimony, total recoverablemaximumreport only (ug/L)all year002B
Dichlorobromomethaneaveragereport only (ug/L)all year002B
Dichlorobromomethanemaximumreport only (ug/L)all year002B
Carbon tetrachlorideaveragereport only (ug/L)all year002B
Carbon tetrachloridemaximumreport only (ug/L)all year002B
1,2-Dichloroethaneaveragereport only (ug/L)all year002B
1,2-Dichloroethanemaximumreport only (ug/L)all year002B
Bromoformaveragereport only (ug/L)all year002B
Bromoformmaximumreport only (ug/L)all year002B
Chloroformaveragereport only (ug/L)all year002B
Chloroformmaximumreport only (ug/L)all year002B
Tolueneaveragereport only (ug/L)all year002B
Toluenemaximumreport only (ug/L)all year002B
Benzeneaveragereport only (ug/L)all year002B
Benzenemaximumreport only (ug/L)all year002B
Acenaphthyleneaveragereport only (ug/L)all year002B
Acenaphthylenemaximumreport only (ug/L)all year002B
Acenaphtheneaveragereport only (ug/L)all year002B
Acenaphthenemaximumreport only (ug/L)all year002B
Acroleinaveragereport only (ug/L)all year002B
Acroleinmaximumreport only (ug/L)all year002B
Acrylonitrileaveragereport only (ug/L)all year002B
Acrylonitrilemaximumreport only (ug/L)all year002B
Anthraceneaveragereport only (ug/L)all year002B
Anthracenemaximumreport only (ug/L)all year002B
Benzo[k]fluorantheneaveragereport only (ug/L)all year002B
Benzo[k]fluoranthenemaximumreport only (ug/L)all year002B
Benzo[a]pyreneaveragereport only (ug/L)all year002B
Benzo[a]pyrenemaximumreport only (ug/L)all year002B
Bis[2-chloroethyl] etheraveragereport only (ug/L)all year002B
Bis[2-chloroethyl] ethermaximumreport only (ug/L)all year002B
Bis[2-chloroethoxy]methaneaveragereport only (ug/L)all year002B
Bis[2-chloroethoxy]methanemaximumreport only (ug/L)all year002B
Bis[2-chloroisopropyl] etheraveragereport only (ug/L)all year002B
Bis[2-chloroisopropyl] ethermaximumreport only (ug/L)all year002B
Butyl benzyl phthalateaveragereport only (ug/L)all year002B
Butyl benzyl phthalatemaximumreport only (ug/L)all year002B
Chlorobenzeneaveragereport only (ug/L)all year002B
Chlorobenzenemaximumreport only (ug/L)all year002B
Chlorodibromomethaneaveragereport only (ug/L)all year002B
Chlorodibromomethanemaximumreport only (ug/L)all year002B
Chryseneaveragereport only (ug/L)all year002B
Chrysenemaximumreport only (ug/L)all year002B
Diethyl phthalateaveragereport only (ug/L)all year002B
Diethyl phthalatemaximumreport only (ug/L)all year002B
Dimethyl phthalateaveragereport only (ug/L)all year002B
Dimethyl phthalatemaximumreport only (ug/L)all year002B
1,2-Diphenylhydrazineaveragereport only (ug/L)all year002B
1,2-Diphenylhydrazinemaximumreport only (ug/L)all year002B
Ethylbenzeneaveragereport only (ug/L)all year002B
Ethylbenzenemaximumreport only (ug/L)all year002B
Fluorantheneaveragereport only (ug/L)all year002B
Fluoranthenemaximumreport only (ug/L)all year002B
Fluoreneaveragereport only (ug/L)all year002B
Fluorenemaximumreport only (ug/L)all year002B
Hexachlorocyclopentadieneaveragereport only (ug/L)all year002B
Hexachlorocyclopentadienemaximumreport only (ug/L)all year002B
Hexachloroethaneaveragereport only (ug/L)all year002B
Hexachloroethanemaximumreport only (ug/L)all year002B
Indeno[1,2,3-cd]pyreneaveragereport only (ug/L)all year002B
Indeno[1,2,3-cd]pyrenemaximumreport only (ug/L)all year002B
Isophoroneaveragereport only (ug/L)all year002B
Isophoronemaximumreport only (ug/L)all year002B
Methyl bromide [Bromomethane]averagereport only (ug/L)all year002B
Methyl bromide [Bromomethane]maximumreport only (ug/L)all year002B
Methyl chloride [Chloromethane]averagereport only (ug/L)all year002B
Methyl chloride [Chloromethane]maximumreport only (ug/L)all year002B
Methylene chlorideaveragereport only (ug/L)all year002B
Methylene chloridemaximumreport only (ug/L)all year002B
N-Nitrosodi-N-propylamineaveragereport only (ug/L)all year002B
N-Nitrosodi-N-propylaminemaximumreport only (ug/L)all year002B
N-Nitrosodiphenylamineaveragereport only (ug/L)all year002B
N-Nitrosodiphenylaminemaximumreport only (ug/L)all year002B
N-Nitrosodimethylamine [NDMA]averagereport only (ug/L)all year002B
N-Nitrosodimethylamine [NDMA]maximumreport only (ug/L)all year002B
Nitrobenzeneaveragereport only (ug/L)all year002B
Nitrobenzenemaximumreport only (ug/L)all year002B
Phenanthreneaveragereport only (ug/L)all year002B
Phenanthrenemaximumreport only (ug/L)all year002B
Pyreneaveragereport only (ug/L)all year002B
Pyrenemaximumreport only (ug/L)all year002B
Tetrachloroethyleneaveragereport only (ug/L)all year002B
Tetrachloroethylenemaximumreport only (ug/L)all year002B
1,1-Dichloroethaneaveragereport only (ug/L)all year002B
1,1-Dichloroethanemaximumreport only (ug/L)all year002B
1,1-Dichloroethyleneaveragereport only (ug/L)all year002B
1,1-Dichloroethylenemaximumreport only (ug/L)all year002B
1,1,1-Trichloroethaneaveragereport only (ug/L)all year002B
1,1,1-Trichloroethanemaximumreport only (ug/L)all year002B
1,1,2-Trichloroethaneaveragereport only (ug/L)all year002B
1,1,2-Trichloroethanemaximumreport only (ug/L)all year002B
1,1,2,2-Tetrachloroethaneaveragereport only (mg/L)all year002B
1,1,2,2-Tetrachloroethanemaximumreport only (mg/L)all year002B
Benzo[ghi]peryleneaveragereport only (ug/L)all year002B
Benzo[ghi]perylenemaximumreport only (ug/L)all year002B
Benzo[a]anthraceneaveragereport only (ug/L)all year002B
Benzo[a]anthracenemaximumreport only (ug/L)all year002B
1,2-Dichlorobenzeneaveragereport only (ug/L)all year002B
1,2-Dichlorobenzenemaximumreport only (ug/L)all year002B
1,2-Dichloropropaneaveragereport only (ug/L)all year002B
1,2-Dichloropropanemaximumreport only (ug/L)all year002B
trans-1,2-Dichloroethyleneaveragereport only (ug/L)all year002B
trans-1,2-Dichloroethylenemaximumreport only (ug/L)all year002B
1,2,4-Trichlorobenzeneaveragereport only (ug/L)all year002B
1,2,4-Trichlorobenzenemaximumreport only (ug/L)all year002B
Dibenz[a,h]anthraceneaveragereport only (ug/L)all year002B
Dibenz[a,h]anthracenemaximumreport only (ug/L)all year002B
1,3-Dichlorobenzeneaveragereport only (ug/L)all year002B
1,3-Dichlorobenzenemaximumreport only (ug/L)all year002B
1,4-Dichlorobenzeneaveragereport only (ug/L)all year002B
1,4-Dichlorobenzenemaximumreport only (ug/L)all year002B
2-Chloroethyl vinyl ether, [mixed]averagereport only (ug/L)all year002B
2-Chloroethyl vinyl ether, [mixed]maximumreport only (ug/L)all year002B
2-Chloronaphthaleneaveragereport only (ug/L)all year002B
2-Chloronaphthalenemaximumreport only (ug/L)all year002B
2-Chlorophenolaveragereport only (ug/L)all year002B
2-Chlorophenolmaximumreport only (ug/L)all year002B
2-Nitrophenolaveragereport only (ug/L)all year002B
2-Nitrophenolmaximumreport only (ug/L)all year002B
2,4-Dichlorophenolaveragereport only (ug/L)all year002B
2,4-Dichlorophenolmaximumreport only (ug/L)all year002B
2,4-Dimethylphenolaveragereport only (ug/L)all year002B
2,4-Dimethylphenolmaximumreport only (ug/L)all year002B
2,4-Dinitrotolueneaveragereport only (ug/L)all year002B
2,4-Dinitrotoluenemaximumreport only (ug/L)all year002B
2,4-Dinitrophenolaveragereport only (ug/L)all year002B
2,4-Dinitrophenolmaximumreport only (ug/L)all year002B
2,4,6-Trichlorophenolaveragereport only (ug/L)all year002B
2,4,6-Trichlorophenolmaximumreport only (ug/L)all year002B
2,6-Dinitrotolueneaveragereport only (ug/L)all year002B
2,6-Dinitrotoluenemaximumreport only (ug/L)all year002B
3,3'-Dichlorobenzidineaveragereport only (ug/L)all year002B
3,3'-Dichlorobenzidinemaximumreport only (ug/L)all year002B
4-Bromophenyl phenyl etheraveragereport only (ug/L)all year002B
4-Bromophenyl phenyl ethermaximumreport only (ug/L)all year002B
4-Chlorophenyl phenyl etheraveragereport only (ug/L)all year002B
4-Chlorophenyl phenyl ethermaximumreport only (ug/L)all year002B
4-Nitrophenolaveragereport only (ug/L)all year002B
4-Nitrophenolmaximumreport only (ug/L)all year002B
4,6-Dinitro-o-cresolaveragereport only (ug/L)all year002B
4,6-Dinitro-o-cresolmaximumreport only (ug/L)all year002B
Phenolaveragereport only (ug/L)all year002B
Phenolmaximumreport only (ug/L)all year002B
Naphthaleneaveragereport only (ug/L)all year002B
Naphthalenemaximumreport only (ug/L)all year002B
Pentachlorophenolaveragereport only (ug/L)all year002B
Pentachlorophenolmaximumreport only (ug/L)all year002B
Di[2-ethylhexyl] phthalate [DEHP]averagereport only (ug/L)all year002B
Di[2-ethylhexyl] phthalate [DEHP]maximumreport only (ug/L)all year002B
Di-n-butyl phthalateaveragereport only (ug/L)all year002B
Di-n-butyl phthalatemaximumreport only (ug/L)all year002B
Benzidineaveragereport only (ug/L)all year002B
Benzidinemaximumreport only (ug/L)all year002B
Vinyl chlorideaveragereport only (ug/L)all year002B
Vinyl chloridemaximumreport only (ug/L)all year002B
Trichloroethyleneaveragereport only (ug/L)all year002B
Trichloroethylenemaximumreport only (ug/L)all year002B
Hexachlorobenzeneaveragereport only (ug/L)all year002B
Hexachlorobenzenemaximumreport only (ug/L)all year002B
Hexachlorobutadieneaveragereport only (ug/L)all year002B
Hexachlorobutadienemaximumreport only (ug/L)all year002B
Chlorideaveragereport only (ug/L)all year002B
Chloridemaximumreport only (ug/L)all year002B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002B
Chlorine, total residualmonthly average≤ .011 mg/Lall year002B
Chlorine, total residualdaily maximum≤ .019 mg/Lall year002B
E. coli30-day geometric mean≤ 130 #/100mLall year002B
E. coli7-day geometric mean≤ 240 #/100mLall year002B
1,3-Dichloropropyleneaveragereport only (ug/L)all year002B
1,3-Dichloropropylenemaximumreport only (ug/L)all year002B
Nitrogen, Kjeldahl Totalaveragereport only (mg/L)all year002B
Nitrogen, Kjeldahl Totalmaximumreport only (mg/L)all year002B
Nitrite Plus Nitrate Totalaveragereport only (mg/L)all year002B
Nitrite Plus Nitrate Totalmaximumreport only (mg/L)all year002B
Phenolic compounds, totalaveragereport only (mg/L)all year002B
Phenolic compounds, totalmaximumreport only (mg/L)all year002B
Solids, total dissolved [TDS]averagereport only (mg/L)all year002B
Solids, total dissolved [TDS]maximumreport only (mg/L)all year002B
Mercury, total recoverableaveragereport only (mg/L)all year002B
Mercury, total recoverablemaximumreport only (mg/L)all year002B
3,4-Benzofluorantheneaveragereport only (ug/L)all year002B
3,4-Benzofluoranthenemaximumreport only (ug/L)all year002B
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year002B
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 22.5 mg/Lall year002B
BOD, carbonaceous [5 day, 20 C]monthly average≤ 237.8 lb/dall year002B
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 356.7 lb/dall year002B
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year002B
BOD, carbonaceous [5 day, 20 C]maximum weekly averagereport only (mg/L)all year002B
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year002B
Solids, suspended percent removalmonthly average minimum≥ 85 %all year002B
p-Chloro-m-cresolaveragereport only (ug/L)all year002B
p-Chloro-m-cresolmaximumreport only (ug/L)all year002B
Chloroethaneaveragereport only (ug/L)all year002B
Chloroethanemaximumreport only (ug/L)all year002B
Toxicity, Chronicdaily maximum≤ 1 tox chronicall year002B

How strict are these limits?

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

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