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City of Lyons

Sewage treatment plant, Lyons, Georgia. NPDES permit GA0033405, in force until Feb 28, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: form B1 monthly (37 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (49)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Nov
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Nov
BOD, 5-day, 20 deg. Cmonthly average≤ 112 lb/dJan, Feb, Mar, Apr, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 56 lb/dMay–Nov
BOD, 5-day, 20 deg. Cweekly average≤ 140 lb/dJan, Feb, Mar, Apr, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 70 lb/dMay–Nov
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/LMay–Nov
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedweekly average≤ 30 mg/LMay–Nov
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 112 lb/dMay–Nov
Solids, total suspendedmonthly average≤ 168 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedweekly average≤ 140 lb/dMay–Nov
Solids, total suspendedweekly average≤ 210 lb/dJan, Feb, Mar, Apr, Dec
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≤ .6 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]weekly average≤ .9 mg/LMay–Nov
Nitrogen, ammonia total [as N]weekly average≤ 1.8 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3.4 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 6.7 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]weekly average≤ 4.2 lb/dMay–Nov
Nitrogen, ammonia total [as N]weekly average≤ 8.4 lb/dJan, Feb, Mar, Apr, Dec
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≤ .67 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ .84 MGDall year
Chlorine, total residualmaximum≤ .01 mg/Lall 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

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0033405 · MCP: https://passage-data.com/mcp