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Sewage treatment plant, major discharger, Louisville, Kentucky. NPDES permit KY0022411 expired Sep 30, 2004; its limits still apply. Last 12 months: over a limit 45 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, 5-day, 20 deg. C, monthly average | 59 mg/L | ≤ 30 mg/L | 97% |
| October 2025 | BOD, 5-day, 20 deg. C, maximum weekly average | 80 mg/L | ≤ 45 mg/L | 78% |
| October 2025 | BOD, 5-day, percent removal, monthly minimum | 78 % | ≥ 85 % | 47% |
| October 2025 | Coliform, fecal general, 7-day geometric mean | 1106 #/100mL | ≤ 400 #/100mL | 177% |
| October 2025 | Solids, suspended percent removal, monthly minimum | 29 % | ≥ 85 % | 373% |
| October 2025 | Solids, total suspended, monthly average | 153 mg/L | ≤ 30 mg/L | 410% |
| October 2025 | Solids, total suspended, maximum weekly average | 249 mg/L | ≤ 45 mg/L | 453% |
| November 2025 | BOD, 5-day, 20 deg. C, monthly average | 46 mg/L | ≤ 30 mg/L | 53% |
| November 2025 | BOD, 5-day, 20 deg. C, maximum weekly average | 58 mg/L | ≤ 45 mg/L | 29% |
| November 2025 | BOD, 5-day, percent removal, monthly minimum | 83 % | ≥ 85 % | 13% |
| November 2025 | Solids, suspended percent removal, monthly minimum | 55 % | ≥ 85 % | 200% |
| November 2025 | Solids, total suspended, monthly average | 94 mg/L | ≤ 30 mg/L | 213% |
| November 2025 | Solids, total suspended, maximum weekly average | 104 mg/L | ≤ 45 mg/L | 131% |
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 35 mg/L | ≤ 30 mg/L | 17% |
| December 2025 | BOD, 5-day, 20 deg. C, maximum weekly average | 47 mg/L | ≤ 45 mg/L | 4% |
| December 2025 | Solids, suspended percent removal, monthly minimum | 54 % | ≥ 85 % | 207% |
| December 2025 | Solids, total suspended, monthly average | 77 mg/L | ≤ 30 mg/L | 157% |
| December 2025 | Solids, total suspended, maximum weekly average | 126 mg/L | ≤ 45 mg/L | 180% |
| January 2026 | BOD, 5-day, 20 deg. C, monthly average | 34 mg/L | ≤ 30 mg/L | 13% |
| January 2026 | BOD, 5-day, 20 deg. C, maximum weekly average | 53 mg/L | ≤ 45 mg/L | 18% |
| January 2026 | Chlorine, total residual, daily maximum | .201 mg/L | ≤ .019 mg/L | 958% |
| January 2026 | Solids, suspended percent removal, monthly minimum | 55 % | ≥ 85 % | 200% |
| January 2026 | Solids, total suspended, monthly average | 88 mg/L | ≤ 30 mg/L | 193% |
| January 2026 | Solids, total suspended, maximum weekly average | 146 mg/L | ≤ 45 mg/L | 224% |
| February 2026 | BOD, 5-day, 20 deg. C, monthly average | 51 mg/L | ≤ 30 mg/L | 70% |
| February 2026 | BOD, 5-day, 20 deg. C, maximum weekly average | 58 mg/L | ≤ 45 mg/L | 29% |
| February 2026 | BOD, 5-day, percent removal, monthly minimum | 77 % | ≥ 85 % | 53% |
| February 2026 | Chlorine, total residual, daily maximum | .979 mg/L | ≤ .019 mg/L | 5053% |
| February 2026 | Solids, suspended percent removal, monthly minimum | 43 % | ≥ 85 % | 280% |
| February 2026 | Solids, total suspended, monthly average | 131 mg/L | ≤ 30 mg/L | 337% |
| February 2026 | Solids, total suspended, maximum weekly average | 142 mg/L | ≤ 45 mg/L | 216% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 33 mg/L | ≤ 30 mg/L | 10% |
| March 2026 | BOD, 5-day, 20 deg. C, maximum weekly average | 71 mg/L | ≤ 45 mg/L | 58% |
| March 2026 | BOD, 5-day, percent removal, monthly minimum | 82 % | ≥ 85 % | 20% |
| March 2026 | Solids, suspended percent removal, monthly minimum | 60 % | ≥ 85 % | 167% |
| March 2026 | Solids, total suspended, monthly average | 81 mg/L | ≤ 30 mg/L | 170% |
| March 2026 | Solids, total suspended, maximum weekly average | 158 mg/L | ≤ 45 mg/L | 251% |
| April 2026 | Solids, suspended percent removal, monthly minimum | 65 % | ≥ 85 % | 133% |
| April 2026 | Solids, total suspended, monthly average | 63 mg/L | ≤ 30 mg/L | 110% |
| April 2026 | Solids, total suspended, maximum weekly average | 79 mg/L | ≤ 45 mg/L | 76% |
| May 2026 | Chlorine, total residual, daily maximum | .458 mg/L | ≤ .019 mg/L | 2311% |
| May 2026 | Solids, suspended percent removal, monthly minimum | 80 % | ≥ 85 % | 33% |
| June 2026 | Solids, suspended percent removal, monthly minimum | 79 % | ≥ 85 % | 40% |
| June 2026 | Solids, total suspended, maximum weekly average | 62 mg/L | ≤ 45 mg/L | 38% |
| September 2026 | Chlorine, total residual, daily maximum | .07 mg/L | ≤ .019 mg/L | 268% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (lb/d) | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | maximum weekly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 30 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Cyanide, free [amenable to chlorination] | monthly average | report only (mg/L) | all year |
| Cyanide, free [amenable to chlorination] | daily maximum | report only (mg/L) | all year |
| Cyanide, free [amenable to chlorination] | monthly average | report only (mg/L) | all year |
| Cyanide, free [amenable to chlorination] | daily maximum | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year |
| Iron, total recoverable | monthly average | report only (mg/L) | all year |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year |
| Iron, total recoverable | monthly average | report only (mg/L) | all year |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year |
| Cadmium, dissolved [as Cd] | monthly average | report only (mg/L) | all year |
| Cadmium, dissolved [as Cd] | monthly average | report only (mg/L) | all year |
| Cadmium, dissolved [as Cd] | daily maximum | report only (mg/L) | all year |
| Cadmium, dissolved [as Cd] | daily maximum | report only (mg/L) | all year |
| Copper, dissolved [as Cu] | monthly average | report only (mg/L) | all year |
| Copper, dissolved [as Cu] | monthly average | report only (mg/L) | all year |
| Copper, dissolved [as Cu] | daily maximum | report only (mg/L) | all year |
| Copper, dissolved [as Cu] | daily maximum | report only (mg/L) | all year |
| Lead, dissolved [as Pb] | monthly average | report only (mg/L) | all year |
| Lead, dissolved [as Pb] | monthly average | report only (mg/L) | all year |
| Lead, dissolved [as Pb] | daily maximum | report only (mg/L) | all year |
| Lead, dissolved [as Pb] | daily maximum | report only (mg/L) | all year |
| Nickel, total recoverable | monthly average | report only (mg/L) | all year |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year |
| Nickel, total recoverable | monthly average | report only (mg/L) | all year |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year |
| Silver total recoverable | monthly average | report only (mg/L) | all year |
| Silver total recoverable | daily maximum | report only (mg/L) | all year |
| Silver total recoverable | monthly average | report only (mg/L) | all year |
| Silver total recoverable | daily maximum | report only (mg/L) | all year |
| Zinc, dissolved [as Zn] | monthly average | report only (mg/L) | all year |
| Zinc, dissolved [as Zn] | monthly average | report only (mg/L) | all year |
| Zinc, dissolved [as Zn] | daily maximum | report only (mg/L) | all year |
| Zinc, dissolved [as Zn] | daily maximum | report only (mg/L) | all year |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year |
| Cadmium, total recoverable | monthly average | report only (mg/L) | all year |
| Cadmium, total recoverable | monthly average | report only (mg/L) | all year |
| Cadmium, total recoverable | monthly average | report only (mg/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year |
| Cadmium, total recoverable | monthly average | report only (mg/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year |
| Lead, total recoverable | monthly average | report only (mg/L) | all year |
| Lead, total recoverable | monthly average | report only (mg/L) | all year |
| Lead, total recoverable | monthly average | report only (mg/L) | all year |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year |
| Lead, total recoverable | monthly average | report only (mg/L) | all year |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year |
| Chromium, total recoverable | monthly average | report only (mg/L) | all year |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year |
| Chromium, total recoverable | monthly average | report only (mg/L) | all year |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year |
| Copper, total recoverable | monthly average | report only (mg/L) | all year |
| Copper, total recoverable | monthly average | report only (mg/L) | all year |
| Copper, total recoverable | monthly average | report only (mg/L) | all year |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year |
| Copper, total recoverable | monthly average | report only (mg/L) | all year |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year |
| Oil and grease | monthly average | report only (mg/L) | all year |
| Oil and grease | daily maximum | report only (mg/L) | all year |
| Oil and grease | monthly average | report only (mg/L) | all year |
| Oil and grease | daily maximum | report only (mg/L) | all year |
| Phenolics, total | monthly average | report only (mg/L) | all year |
| Phenolics, total | daily maximum | report only (mg/L) | all year |
| Phenolics, total | monthly average | report only (mg/L) | all year |
| Phenolics, total | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year |
| Toxicity, final conc toxicity units | daily maximum | ≤ 1 tox acute | all year |
| Mercury, total recoverable | monthly average | report only (mg/L) | all year |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year |
| Mercury, total recoverable | monthly average | report only (mg/L) | all year |
| Mercury, total recoverable | daily maximum | report only (mg/L) | all year |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Oct |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Oct |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| Chromium, hexavalent tot recoverable | monthly average | report only (mg/L) | all year |
| Chromium, hexavalent tot recoverable | daily maximum | report only (mg/L) | all year |
| Chromium, hexavalent tot recoverable | monthly average | report only (mg/L) | all year |
| Chromium, hexavalent tot recoverable | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, percent removal | monthly minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly minimum | ≥ 85 % | all year |
Cited limits by parameter: Kentucky's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/KY0022411 · MCP: https://passage-data.com/mcp