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USDA Forest Service - Twin Knobs Recreation Site

Federal facility (Land, Mineral, Wildlife Conservation), Morehead, Kentucky. NPDES permit KY0023850, in force until Aug 31, 2029. Last 12 months: over a limit 5 times (last August 2026), 4 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (13 values), form 4 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 13 reports late

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

Period endingParameterReportedLimitOver by
June 2026BOD, carbonaceous [5 day, 20 C], monthly average33 mg/L≤ 25 mg/L32%
July 2026E. coli, 30-day geometric mean2420 #/100mL≤ 130 #/100mL1762%
July 2026E. coli, 7-day geometric mean2420 #/100mL≤ 240 #/100mL908%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average32 mg/L≤ 25 mg/L28%
August 2026Nitrogen, ammonia total [as N], monthly average18 mg/L≤ 15 mg/L20%

Limits in force (15)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year
pHminimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Oil & Greasemonthly averagereport only (mg/L)all year
Oil & Greasedaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 22.5 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coli30-day geometric mean≤ 130 #/100mLall year
E. coli7-day geometric mean≤ 240 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 37.5 mg/Lall year

How strict are these limits?

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

Same industry: the 6 Administration of Environmental Quality and Housing Programs permits in Kentucky.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KY0023850 · MCP: https://passage-data.com/mcp