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City of Lavonia

Sewage treatment plant, major discharger, Lavonia, Georgia. NPDES permit GA0038661 expired Jan 31, 2026; its limits still apply. Last 12 months: over a limit 37 times (last July 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
8 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 37 values over a limit
Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], monthly average14.5 mg/L≤ 12.3 mg/L18%
December 2025Nitrogen, ammonia total [as N], weekly average19.3 mg/L≤ 18.5 mg/L4%
January 2026BOD, 5-day, 20 deg. C, monthly average24.7 mg/L≤ 20 mg/L24%
January 2026BOD, 5-day, 20 deg. C, weekly average36.1 mg/L≤ 30 mg/L20%
January 2026Nitrogen, ammonia total [as N], monthly average33.8 mg/L≤ 12.3 mg/L175%
January 2026Nitrogen, ammonia total [as N], monthly average54.2 kg/d≤ 35 kg/d55%
January 2026Nitrogen, ammonia total [as N], weekly average35.1 mg/L≤ 18.5 mg/L90%
January 2026Nitrogen, ammonia total [as N], weekly average65.2 kg/d≤ 43.7 kg/d49%
February 2026BOD, 5-day, 20 deg. C, monthly average20.6 mg/L≤ 20 mg/L3%
February 2026Nitrogen, ammonia total [as N], monthly average36.4 mg/L≤ 12.3 mg/L196%
February 2026Nitrogen, ammonia total [as N], monthly average59.7 kg/d≤ 35 kg/d71%
February 2026Nitrogen, ammonia total [as N], weekly average40.1 mg/L≤ 18.5 mg/L117%
February 2026Nitrogen, ammonia total [as N], weekly average74.4 kg/d≤ 43.7 kg/d70%
March 2026BOD, 5-day, 20 deg. C, monthly average28.5 mg/L≤ 20 mg/L43%
March 2026BOD, 5-day, 20 deg. C, weekly average34.8 mg/L≤ 30 mg/L16%
March 2026BOD, 5-day, percent removal, minimum80.5 %≥ 85 %30%
March 2026Nitrogen, ammonia total [as N], monthly average25.2 mg/L≤ 12.3 mg/L105%
March 2026Nitrogen, ammonia total [as N], monthly average46.7 kg/d≤ 35 kg/d33%
March 2026Nitrogen, ammonia total [as N], weekly average30.6 mg/L≤ 18.5 mg/L65%
March 2026Nitrogen, ammonia total [as N], weekly average61.7 kg/d≤ 43.7 kg/d41%
March 2026Solids, suspended percent removal, minimum52.1 %≥ 85 %219%
April 2026BOD, 5-day, 20 deg. C, monthly average24 mg/L≤ 20 mg/L20%
April 2026BOD, 5-day, 20 deg. C, weekly average43.1 mg/L≤ 30 mg/L44%
April 2026BOD, 5-day, percent removal, minimum83.3 %≥ 85 %11%
April 2026Nitrogen, ammonia total [as N], monthly average15.8 mg/L≤ 12.3 mg/L28%
April 2026Nitrogen, ammonia total [as N], weekly average19.5 mg/L≤ 18.5 mg/L5%
April 2026Solids, suspended percent removal, minimum66.3 %≥ 85 %125%
May 2026Nitrogen, ammonia total [as N], monthly average21.5 mg/L≤ 4.7 mg/L357%
May 2026Nitrogen, ammonia total [as N], monthly average30.3 kg/d≤ 13.4 kg/d126%
May 2026Nitrogen, ammonia total [as N], weekly average24.4 mg/L≤ 7.1 mg/L244%
May 2026Nitrogen, ammonia total [as N], weekly average43.9 kg/d≤ 16.7 kg/d163%
June 2026Nitrogen, ammonia total [as N], monthly average16.3 mg/L≤ 4.7 mg/L247%
June 2026Nitrogen, ammonia total [as N], monthly average25.7 kg/d≤ 13.4 kg/d92%
June 2026Nitrogen, ammonia total [as N], weekly average19.4 mg/L≤ 7.1 mg/L173%
June 2026Nitrogen, ammonia total [as N], weekly average34.9 kg/d≤ 16.7 kg/d109%
July 2026Nitrogen, ammonia total [as N], monthly average5.22 mg/L≤ 4.7 mg/L11%
July 2026Nitrogen, ammonia total [as N], weekly average8.86 mg/L≤ 7.1 mg/L25%

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 56.9 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 71.1 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 SUMay–Oct
pHminimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec
pHmaximum≤ 8.5 SUMay–Oct
pHmaximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 56.9 kg/dall year
Solids, total suspendedweekly average≤ 71.1 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≤ 4.7 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 12.3 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 7.1 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 18.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 13.4 kg/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 35 kg/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 16.7 kg/dMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 43.7 kg/dJan, Feb, Mar, Apr, Nov, 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≤ .75 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ .94 MGDall year
Chlorine, total residualdaily maximum≤ .018 mg/LMay–Oct
Chlorine, total residualdaily maximum≤ .027 mg/LJan, Feb, Mar, Apr, Nov, Dec
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

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/GA0038661 · MCP: https://passage-data.com/mcp