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Rabun County Water & Sewer Authority (RCWSA)

Sewage treatment plant, major discharger, Clayton, Georgia. NPDES permit GA0020923, in force until Aug 31, 2029. Last 12 months: over a limit 2 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: outfall 001 form B1 monthly (41 values), outfall 002 form B3 monthly (7 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
September 2026BOD, 5-day, 20 deg. C, monthly average14.4 mg/L≤ 13 mg/L11%
September 2026BOD, 5-day, 20 deg. C, weekly average20.6 mg/L≤ 19.5 mg/L6%

Limits in force (48)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 13 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 19.5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 108 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 136 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Solids, total suspendedweekly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 167 lb/dall year001
Solids, total suspendedweekly average≤ 209 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendedweekly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 1.8 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 10 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 12.5 lb/dall year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 1 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ 1.25 MGDall year001
Chlorine, total residualmaximum≤ .02 mg/Lall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. coliweekly geometric mean≤ 410 #/100mLall year001
Solids, sludge, total, dry weightmonthly totalreport only (dry ton)all year001
BOD, 5-day, percent removalminimum≥ 85 %all year001
Solids, suspended percent removalminimum≥ 85 %all year001
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year001
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)Jun–Sep002
Temperature Increase Deg. Fmaximum≤ 0 deg FJun–Sep002

How strict are these limits?

Cited limits by parameter: Georgia'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/GA0020923 · MCP: https://passage-data.com/mcp