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Ashburn, City of

Sewage treatment plant, major discharger, Ashburn, Georgia. NPDES permit GA0025852, in force until Apr 30, 2030. Last 12 months: no values over a limit, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form 1 monthly (42 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 2 of 12 reports late

Limits in force (42)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 145 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 181 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 193 lb/dall year
Solids, total suspendedweekly average≤ 242 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, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .5 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ .75 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 4.8 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 6 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 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≤ 1.16 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 1.45 MGDall year
Chlorine, total residualmaximum≤ .01 mg/Lall year
Mercury, total [low level]monthly averagereport only (ng/L)all year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. coliweekly geometric mean≤ 410 #/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
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasminimumreport only (%)all year

New limits from May 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Mercury, total [low level], monthly average12 ng/Lnew15 ng/L (12 values)1.25×
Nitrogen, total [as N], monthly average10 mg/Lnew10.52 mg/L (12 values)1.05×
Phosphorus, total [as P], monthly average1 mg/Lnew1.76 mg/L (12 values)1.76×
Mercury, total [low level], monthly average0.00012 lb/dnew——
Mercury, total [low level], weekly average0.014 lb/dnew——
Mercury, total [low level], weekly average1400 ng/Lnew——
Nitrogen, total [as N], monthly average97 lb/dnew——
Nitrogen, total [as N], weekly average15 mg/Lnew——
Nitrogen, total [as N], weekly average121 lb/dnew——
Phosphorus, total [as P], monthly average9.7 lb/dnew——
Phosphorus, total [as P], weekly average12.1 lb/dnew——
Phosphorus, total [as P], weekly average1.5 mg/Lnew——

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/GA0025852 · MCP: https://passage-data.com/mcp