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City of Washington

Sewage treatment plant, major discharger, Washington, Georgia. NPDES permit GA0031101 expired Jul 31, 2026; its limits still apply. Last 12 months: no values over a limit, 9 of 48 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form 01 monthly (38 values), outfall 002 form 01 monthly (5 values), outfall 002 form 02 monthly (5 values), outfall 002 form 03 monthly (5 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 4 of 26 reports late

Limits in force (61)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 7.8 mg/LMay–Nov001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 11.7 mg/LMay–Nov001
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 62 lb/dMay–Nov001
BOD, 5-day, 20 deg. Cmonthly average≤ 158 lb/dJan, Feb, Mar, Apr, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 77 lb/dMay–Nov001
BOD, 5-day, 20 deg. Cweekly average≤ 198 lb/dJan, Feb, Mar, Apr, Dec001
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≤ 8 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 238 lb/dall year001
Solids, total suspendedweekly average≤ 297 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≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .6 mg/LMay–Nov001
Nitrogen, ammonia total [as N]weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]weekly average≤ .9 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 12.7 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 4.8 lb/dMay–Nov001
Nitrogen, ammonia total [as N]weekly average≤ 15.8 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 5.9 lb/dMay–Nov001
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
Copper, total recoverablemonthly averagereport only (ug/L)all year001
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ .95 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ 1.19 MGDall year001
Chlorine, total residualdaily maximum≤ .01 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
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)all year002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year002
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)all year002
Temperature, water deg. fahrenheitmonthly minimumreport only (deg F)all year002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year002
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year002
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year002
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all year002
pHmonthly minimumreport only (SU)all year002
pHmonthly maximumreport only (SU)all year002
pHmonthly minimumreport only (SU)all year002
pHmonthly minimumreport only (SU)all year002
pHmonthly maximumreport only (SU)all year002
pHmonthly maximumreport only (SU)all year002

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/GA0031101 · MCP: https://passage-data.com/mcp