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City of Hampton

Sewage treatment plant, major discharger, Hampton, Georgia. NPDES permit GA0020320 expired Jul 31, 2025; its limits still apply. Last 12 months: over a limit 18 times (last February 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form B1 monthly (45 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
February 2026BOD, 5-day, 20 deg. C, monthly average134.79 mg/L≤ 10 mg/L1248%
February 2026BOD, 5-day, 20 deg. C, monthly average316.62 kg/d≤ 66.3 kg/d378%
February 2026BOD, 5-day, 20 deg. C, weekly average1223.03 kg/d≤ 83 kg/d1374%
February 2026BOD, 5-day, 20 deg. C, weekly average520.66 mg/L≤ 15 mg/L3371%
February 2026BOD, 5-day, percent removal, minimum79.66 %≥ 85 %36%
February 2026Coliform, fecal general, weekly geometric mean> 400 #/100mL≤ 400 #/100mL—
February 2026Nitrogen, ammonia total [as N], monthly average20.53 mg/L≤ 1.2 mg/L1611%
February 2026Nitrogen, ammonia total [as N], weekly average28.47 mg/L≤ 1.8 mg/L1482%
February 2026Phosphorus, total [as P], monthly average18.11 kg/d≤ 6.6 kg/d174%
February 2026Phosphorus, total [as P], monthly average7.71 mg/L≤ 1 mg/L671%
February 2026Phosphorus, total [as P], weekly average21.82 mg/L≤ 1.5 mg/L1355%
February 2026Phosphorus, total [as P], weekly average51.25 kg/d≤ 8.3 kg/d517%
February 2026Solids, suspended percent removal, minimum74.75 %≥ 85 %68%
February 2026Solids, total suspended, monthly average102.14 mg/L≤ 20 mg/L411%
February 2026Solids, total suspended, monthly average239.93 kg/d≤ 133 kg/d80%
February 2026Solids, total suspended, weekly average336.75 mg/L≤ 30 mg/L1023%
February 2026Solids, total suspended, weekly average791.02 kg/d≤ 166 kg/d377%
February 2026pH, maximum11.66 SU≤ 8.5 SU—

Limits in force (45)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 66.3 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 83 kg/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 (kg/d)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (kg/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≤ 133 kg/dall year
Solids, total suspendedweekly average≤ 166 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≤ 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 kg/dall year
Nitrogen, ammonia total [as N]weekly average≤ 10 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 average≤ 1 mg/Lall year
Phosphorus, total [as P]weekly average≤ 1.5 mg/Lall year
Phosphorus, total [as P]monthly average≤ 6.6 kg/dall year
Phosphorus, total [as P]weekly average≤ 8.3 kg/dall year
Copper, total recoverablemonthly average≤ 8.8 ug/Lall year
Copper, total recoverableweekly average≤ 11.4 ug/Lall year
Copper, total recoverablemonthly average≤ .058 kg/dall year
Copper, total recoverableweekly average≤ .076 kg/dall year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 1.75 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 2.19 MGDall year
Chlorine, total residualdaily maximum≤ .012 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
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year
Noel Statre 7Day Chronic Pimephalesminimumreport only (%)all year

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/GA0020320 · MCP: https://passage-data.com/mcp