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Clay County Utility Authority

Sewage treatment plant, major discharger, Middleburg, Florida. NPDES permit FL0039721, in force until Nov 16, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 90 days after each period: form 1 monthly (48 values)
Renewal application due
May 20, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (49)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademaximumreport only (deg C)all year
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedweekly average≤ 7.75 mg/Lall year
Solids, total suspendedmaximum≤ 10 mg/Lall year
Solids, total suspendedmonthly average≤ 6.25 mg/Lall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedannual average≤ 5 mg/Lall year
Nitrogen, total [as N]maximum≤ 6 mg/Lall year
Nitrogen, total [as N]weekly average≤ 4.5 mg/Lall year
Nitrogen, total [as N]monthly average≤ 3.75 mg/Lall year
Nitrogen, total [as N]monthly totalreport only (lb/mo)all year
Nitrogen, total [as N]annual total≤ 6493 lb/yrall year
Nitrogen, total [as N]annual average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]maximum≤ 0 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 0 mg/Lall year
Phosphorus, total [as P]maximum≤ 2 mg/Lall year
Phosphorus, total [as P]weekly average≤ 1.5 mg/Lall year
Phosphorus, total [as P]monthly average≤ 1.25 mg/Lall year
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year
Phosphorus, total [as P]annual total≤ 2164.4 lb/yrall year
Phosphorus, total [as P]annual average≤ 1 mg/Lall year
Coliform, fecal - % samples exceeding limitstatistic code TM≥ 75 %all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantannual average≤ 1.3125 MGDall year
Chlorine, total residualmaximum≤ .01 mg/Lall year
Chlorine, total residualminimum≥ 1 mg/Lall year
% of fecal coliform samples < detectablestatistic code TM≥ 75 %all year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. coli90th percentile≤ 410 #/100mLall year
Coliform, fecal generalmaximum≤ 25 #/100mLall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 7.75 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 6.25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]annual average≤ 5 mg/Lall year
Flow, totalannual total≤ 479 Mgal/moall year
Flow, totalmonthly totalreport only (Mgal/mo)all year
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaminimum≥ 100 %all year
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaminimum≥ 100 %all year
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaminimum≥ 100 %all year
LC50 Static Renewal 96Hr Acute Cyprinella leedsiminimum≥ 100 %all year
LC50 Static Renewal 96Hr Acute Cyprinella leedsiminimum≥ 100 %all year
LC50 Static Renewal 96Hr Acute Cyprinella leedsiminimum≥ 100 %all year

How strict are these limits?

Cited limits by parameter: Florida'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/FL0039721 · MCP: https://passage-data.com/mcp