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Town of Trion

Sewage treatment plant, major discharger, Trion, Georgia. NPDES permit GA0025607 expired Feb 29, 2024; its limits still apply. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: outfall 001 form 1 monthly (42 values), outfall 002 form 1 monthly (1 value), outfall 003 form 1 monthly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], weekly average17.65 mg/L≤ 12.75 mg/L38%

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 26 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 39 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 493 kg/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 616 kg/dall year001
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 (kg/d)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (kg/d)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Solids, total suspendedweekly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 379 kg/dall year001
Solids, total suspendedweekly average≤ 474 kg/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 (kg/d)all year001
Solids, total suspendedweekly averagereport only (kg/d)all year001
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 8.5 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 12.75 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 161 kg/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 201 kg/dall year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphate, ortho [as P]monthly average≤ .75 mg/Lall year001
Phosphate, ortho [as P]weekly average≤ 1.13 mg/Lall year001
Phosphate, ortho [as P]monthly average≤ 14.2 kg/dall year001
Phosphate, ortho [as P]weekly average≤ 17.8 kg/dall year001
Flow, in conduit or thru treatment plantmonthly average≤ 5 MGDall year001
Flow, in conduit or thru treatment plantweekly average≤ 6.25 MGDall year001
Chlorine, total residualmonthly average≤ .08 mg/L (alert, not enforceable)all year001
Chlorine, total residualweekly average≤ .08 mg/L (alert, not enforceable)all year001
Chlorine, total residualdaily maximum≤ .08 mg/L (alert, not enforceable)all year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/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
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year001
Noel Statre 7Day Chronic Pimephalesminimumreport only (%)all year001
Color [admi units]monthly averagereport only (col unit) (alert, not enforceable)all year002
Color [admi units]monthly averagereport only (col unit) (alert, not enforceable)all year003

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/GA0025607 · MCP: https://passage-data.com/mcp