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Sewage treatment plant, Betsy Layne, Kentucky. NPDES permit KY0109258, in force until Sep 30, 2028. Last 12 months: over a limit 21 times (last June 2026), 6 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| November 2025 | 001A | Nitrogen, ammonia total [as N], daily maximum | 67.52 lb/d | ≤ 25.02 lb/d | 170% |
| November 2025 | 001A | Nitrogen, ammonia total [as N], monthly average | 24.28 lb/d | ≤ 16.68 lb/d | 46% |
| November 2025 | 001A | Solids, total suspended, monthly average | < 46.47 lb/d | ≤ 25.02 lb/d | 86% |
| November 2025 | 001A | Solids, total suspended, maximum weekly average | < 124.77 lb/d | ≤ 37.53 lb/d | 232% |
| November 2025 | 001B | Nitrogen, ammonia total [as N], daily maximum | 67.52 lb/d | ≤ 50.04 lb/d | 35% |
| November 2025 | 001B | Solids, total suspended, maximum weekly average | 124.77 lb/d | ≤ 75.06 lb/d | 66% |
| December 2025 | 001A | BOD, 5-day, 20 deg. C, maximum weekly average | 43.23 lb/d | ≤ 37.53 lb/d | 15% |
| December 2025 | 001A | BOD, 5-day, 20 deg. C, maximum weekly average | 48 mg/L | ≤ 45 mg/L | 7% |
| December 2025 | 001A | Solids, suspended percent removal, monthly average minimum | 77 % | ≥ 85 % | 53% |
| December 2025 | 001A | Solids, total suspended, monthly average | < 52.68 lb/d | ≤ 25.02 lb/d | 111% |
| December 2025 | 001A | Solids, total suspended, monthly average | < 60 mg/L | ≤ 30 mg/L | 100% |
| December 2025 | 001A | Solids, total suspended, maximum weekly average | 247.7 lb/d | ≤ 37.53 lb/d | 560% |
| December 2025 | 001A | Solids, total suspended, maximum weekly average | 275 mg/L | ≤ 45 mg/L | 511% |
| December 2025 | 001B | BOD, 5-day, 20 deg. C, maximum weekly average | 48 mg/L | ≤ 45 mg/L | 7% |
| December 2025 | 001B | Solids, suspended percent removal, monthly average minimum | 77 % | ≥ 85 % | 53% |
| December 2025 | 001B | Solids, total suspended, monthly average | < 52.68 lb/d | ≤ 50.04 lb/d | 5% |
| December 2025 | 001B | Solids, total suspended, monthly average | < 60 mg/L | ≤ 30 mg/L | 100% |
| December 2025 | 001B | Solids, total suspended, maximum weekly average | 247.7 lb/d | ≤ 75.06 lb/d | 230% |
| December 2025 | 001B | Solids, total suspended, maximum weekly average | 275 mg/L | ≤ 45 mg/L | 511% |
| June 2026 | 001A | E. coli, 7-day geometric mean | 245 #/100mL | ≤ 240 #/100mL | 2% |
| June 2026 | 001B | E. coli, 7-day geometric mean | 245 #/100mL | ≤ 240 #/100mL | 2% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | maximum | report only (deg F) | all year | 001 |
| Oil & Grease | average | report only (mg/L) | all year | 001 |
| Oil & Grease | maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl Total | average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl Total | maximum | report only (mg/L) | all year | 001 |
| Nitrite Plus Nitrate Total | average | report only (mg/L) | all year | 001 |
| Nitrite Plus Nitrate Total | maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved [TDS] | average | report only (mg/L) | all year | 001 |
| Solids, total dissolved [TDS] | maximum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | all year | 001A |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001A |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year | 001A |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25.02 lb/d | all year | 001A |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 37.53 lb/d | all year | 001A |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001A |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 001A |
| pH | minimum | ≥ 6 SU | all year | 001A |
| pH | maximum | ≤ 9 SU | all year | 001A |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001A |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 001A |
| Solids, total suspended | monthly average | ≤ 25.02 lb/d | all year | 001A |
| Solids, total suspended | maximum weekly average | ≤ 37.53 lb/d | all year | 001A |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001A |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 001A |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001A |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001A |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001A |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001A |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year | 001A |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 30 mg/L | all year | 001A |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 16.68 lb/d | all year | 001A |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 25.02 lb/d | all year | 001A |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001A |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001A |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001A |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001A |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 001A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001A |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 001A |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 001A |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 001A |
| E. coli | 30-day geometric mean | ≤ 130 #/100mL | all year | 001A |
| E. coli | 7-day geometric mean | ≤ 240 #/100mL | all year | 001A |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001A |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001A |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | all year | 001B |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001B |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year | 001B |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 50.04 lb/d | all year | 001B |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 75.06 lb/d | all year | 001B |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001B |
| BOD, 5-day, 20 deg. C | maximum weekly average | report only (mg/L) | all year | 001B |
| pH | minimum | ≥ 6 SU | all year | 001B |
| pH | maximum | ≤ 9 SU | all year | 001B |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001B |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 001B |
| Solids, total suspended | monthly average | ≤ 50.04 lb/d | all year | 001B |
| Solids, total suspended | maximum weekly average | ≤ 75.06 lb/d | all year | 001B |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001B |
| Solids, total suspended | maximum weekly average | report only (mg/L) | all year | 001B |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001B |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001B |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001B |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001B |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year | 001B |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 30 mg/L | all year | 001B |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 33.36 lb/d | all year | 001B |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 50.04 lb/d | all year | 001B |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001B |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001B |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001B |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001B |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 001B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001B |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 001B |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 001B |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 001B |
| E. coli | 30-day geometric mean | ≤ 130 #/100mL | all year | 001B |
| E. coli | 7-day geometric mean | ≤ 240 #/100mL | all year | 001B |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001B |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001B |
Cited limits by parameter: Kentucky's rules and the federal ones.
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