Passage Data · Check a report · Use it from your AI

Oglethorpe, City of

Sewage treatment plant, Oglethorpe, Georgia. NPDES permit GA0036919 expired May 31, 2026; its limits still apply. Last 12 months: over a limit 8 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: form B1 monthly (36 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average18 mg/L≤ 17.4 mg/L3%
November 2025Nitrogen, ammonia total [as N], monthly average20.3 mg/L≤ 17.4 mg/L17%
December 2025Nitrogen, ammonia total [as N], monthly average22.1 mg/L≤ 17.4 mg/L27%
January 2026Nitrogen, ammonia total [as N], monthly average23.4 mg/L≤ 17.4 mg/L34%
February 2026Nitrogen, ammonia total [as N], monthly average18.5 mg/L≤ 17.4 mg/L6%
August 2026Nitrogen, ammonia total [as N], monthly average20 mg/L≤ 17.4 mg/L15%
September 2026Nitrogen, ammonia total [as N], monthly average24.4 mg/L≤ 17.4 mg/L40%
September 2026Nitrogen, ammonia total [as N], weekly average27.5 mg/L≤ 26.1 mg/L5%

Limits in force (36)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 2 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 85 kg/dall year
Solids, total suspendedweekly average≤ 107 kg/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 (kg/d)all year
Solids, total suspendedweekly averagereport only (kg/d)all year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 17.4 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 26.1 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 49.4 kg/dall year
Nitrogen, ammonia total [as N]weekly average≤ 62 kg/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 averagereport only (mg/L)all year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .75 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ .94 MGDall year
Chlorine, total residualdaily maximum≤ .5 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, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 37.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 71 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 89 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (kg/d)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (kg/d)all year
BOD, carbonaceous, 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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0036919 · MCP: https://passage-data.com/mcp