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Sewage treatment plant, Frankfort, Kentucky. NPDES permit KY0088650, in force until Jun 30, 2030. Last 12 months: over a limit 74 times (last August 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Chlorine, total residual, daily maximum | .02 mg/L | ≤ .019 mg/L | 5% |
| October 2025 | Chlorine, total residual, monthly average | .02 mg/L | ≤ .011 mg/L | 82% |
| October 2025 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| October 2025 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| October 2025 | Oxygen, dissolved [DO], instantaneous minimum | 6.8 mg/L | ≥ 7 mg/L | 3% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 16 mg/L | ≤ 10 mg/L | 60% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], maximum weekly average | 16 mg/L | ≤ 15 mg/L | 7% |
| November 2025 | Chlorine, total residual, daily maximum | .02 mg/L | ≤ .019 mg/L | 5% |
| November 2025 | Chlorine, total residual, monthly average | .02 mg/L | ≤ .011 mg/L | 82% |
| November 2025 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| November 2025 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| November 2025 | Solids, total suspended, monthly average | 88 mg/L | ≤ 30 mg/L | 193% |
| November 2025 | Solids, total suspended, maximum weekly average | 88 mg/L | ≤ 45 mg/L | 96% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 24 mg/L | ≤ 10 mg/L | 140% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], maximum weekly average | 24 mg/L | ≤ 15 mg/L | 60% |
| December 2025 | Chlorine, total residual, daily maximum | .02 mg/L | ≤ .019 mg/L | 5% |
| December 2025 | Chlorine, total residual, monthly average | .02 mg/L | ≤ .011 mg/L | 82% |
| December 2025 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| December 2025 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| December 2025 | Solids, total suspended, monthly average | 69 mg/L | ≤ 30 mg/L | 130% |
| December 2025 | Solids, total suspended, maximum weekly average | 69 mg/L | ≤ 45 mg/L | 53% |
| January 2026 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| January 2026 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 18.2 mg/L | ≤ 7.5 mg/L | 143% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 18.2 mg/L | ≤ 5 mg/L | 264% |
| February 2026 | Solids, total suspended, monthly average | 48 mg/L | ≤ 30 mg/L | 60% |
| February 2026 | Solids, total suspended, maximum weekly average | 48 mg/L | ≤ 45 mg/L | 7% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 10.9 mg/L | ≤ 10 mg/L | 9% |
| March 2026 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| March 2026 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 29 mg/L | ≤ 7.5 mg/L | 287% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 29 mg/L | ≤ 5 mg/L | 480% |
| April 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 330 mg/L | ≤ 10 mg/L | 3200% |
| April 2026 | BOD, carbonaceous [5 day, 20 C], maximum weekly average | 330 mg/L | ≤ 15 mg/L | 2100% |
| April 2026 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| April 2026 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| April 2026 | Nitrogen, ammonia total [as N], daily maximum | 74 mg/L | ≤ 7.5 mg/L | 887% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 74 mg/L | ≤ 5 mg/L | 1380% |
| April 2026 | Oxygen, dissolved [DO], instantaneous minimum | 2.2 mg/L | ≥ 7 mg/L | 69% |
| April 2026 | Solids, total suspended, monthly average | 66 mg/L | ≤ 30 mg/L | 120% |
| April 2026 | Solids, total suspended, maximum weekly average | 66 mg/L | ≤ 45 mg/L | 47% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 327 mg/L | ≤ 10 mg/L | 3170% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], maximum weekly average | 327 mg/L | ≤ 15 mg/L | 2080% |
| May 2026 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| May 2026 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| May 2026 | Nitrogen, ammonia total [as N], daily maximum | 64 mg/L | ≤ 3 mg/L | 2033% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 64 mg/L | ≤ 2 mg/L | 3100% |
| May 2026 | Oxygen, dissolved [DO], instantaneous minimum | 1.7 mg/L | ≥ 7 mg/L | 76% |
| May 2026 | Solids, total suspended, monthly average | 236 mg/L | ≤ 30 mg/L | 687% |
| May 2026 | Solids, total suspended, maximum weekly average | 236 mg/L | ≤ 45 mg/L | 424% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 275 mg/L | ≤ 10 mg/L | 2650% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], maximum weekly average | 275 mg/L | ≤ 15 mg/L | 1733% |
| June 2026 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| June 2026 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 61.1 mg/L | ≤ 3 mg/L | 1937% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 61.1 mg/L | ≤ 2 mg/L | 2955% |
| June 2026 | Oxygen, dissolved [DO], instantaneous minimum | 2 mg/L | ≥ 7 mg/L | 71% |
| June 2026 | Solids, total suspended, monthly average | 120 mg/L | ≤ 30 mg/L | 300% |
| June 2026 | Solids, total suspended, maximum weekly average | 120 mg/L | ≤ 45 mg/L | 167% |
| July 2026 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| July 2026 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| July 2026 | Nitrogen, ammonia total [as N], daily maximum | 48.6 mg/L | ≤ 3 mg/L | 1520% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 48.6 mg/L | ≤ 2 mg/L | 2330% |
| July 2026 | Oxygen, dissolved [DO], instantaneous minimum | 3.1 mg/L | ≥ 7 mg/L | 56% |
| July 2026 | Solids, total suspended, monthly average | 64 mg/L | ≤ 30 mg/L | 113% |
| July 2026 | Solids, total suspended, maximum weekly average | 64 mg/L | ≤ 45 mg/L | 42% |
| August 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 160 mg/L | ≤ 10 mg/L | 1500% |
| August 2026 | BOD, carbonaceous [5 day, 20 C], maximum weekly average | 160 mg/L | ≤ 15 mg/L | 967% |
| August 2026 | E. coli, 30-day geometric mean | 2420 #/100mL | ≤ 130 #/100mL | 1762% |
| August 2026 | E. coli, 7-day geometric mean | 2420 #/100mL | ≤ 240 #/100mL | 908% |
| August 2026 | Nitrogen, ammonia total [as N], daily maximum | 81 mg/L | ≤ 3 mg/L | 2600% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 81 mg/L | ≤ 2 mg/L | 3950% |
| August 2026 | Oxygen, dissolved [DO], instantaneous minimum | 1.2 mg/L | ≥ 7 mg/L | 83% |
| August 2026 | Solids, total suspended, monthly average | 34.9 mg/L | ≤ 30 mg/L | 16% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 7 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year |
| Oil & Grease | monthly average | report only (mg/L) | all year |
| Oil & Grease | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 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 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year |
| E. coli | 30-day geometric mean | ≤ 130 #/100mL | all year |
| E. coli | 7-day geometric mean | ≤ 240 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 15 mg/L | 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/KY0088650 · MCP: https://passage-data.com/mcp