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City of Gray

Sewage treatment plant, Gray, Georgia. NPDES permit GA0026085, in force until Feb 28, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: form B2 monthly (39 values)
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (39)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 8 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 12 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 53.4 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 66.7 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Feb–Dec
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)Feb–Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)Feb–Dec
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)Feb–Dec
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 67 lb/dall year
Solids, total suspendedweekly average≤ 83 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedweekly averagereport only (lb/d)all year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 1.8 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 8 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 10 lb/dall year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 1.3 mg/Lall year
Phosphorus, total [as P]weekly average≤ 2 mg/Lall year
Phosphorus, total [as P]monthly average≤ 8.7 lb/dall year
Phosphorus, total [as P]weekly average≤ 10.8 lb/dall year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .8 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 1 MGDall year
Chlorine, total residualdaily maximum≤ .01 mg/Lall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
Solids, sludge, total, dry weightmonthly totalreport only (dry ton)all year
BOD, 5-day, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0026085 · MCP: https://passage-data.com/mcp