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Brunswick-Glynn County Joint Water and Sewer Commission

Sewage treatment plant, major discharger, Saint Simons Island, Georgia. NPDES permit GA0021521, in force until Jan 31, 2027. Last 12 months: over a limit 3 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form B1 monthly (38 values)
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
August 2026BOD, 5-day, 20 deg. C, monthly average≤ 181.46 lb/d≤ 166.8 lb/d9%
August 2026BOD, 5-day, 20 deg. C, monthly average≤ 7.13 mg/L≤ 5 mg/L43%
September 2026BOD, 5-day, 20 deg. C, monthly average≤ 5.7 mg/L≤ 5 mg/L14%

Limits in force (40)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 7.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 166.8 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 208.5 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≤ 9 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 333.6 lb/dall year
Solids, total suspendedweekly average≤ 417 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, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 66.7 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 83.4 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≤ 4 MGDall year
Flow, in conduit or thru treatment plantweekly average≤ 5 MGDall year
Chlorine, total residualdaily maximum≤ .09 mg/Lall year
Enterococcimonthly geometric mean≤ 35 #/100mLall year
Enterococciweekly geometric mean≤ 130 #/100mLall 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 Americamysis bahia (formerly Mysidopsis bahia)minimumreport only (%)Jun
Noel Statre 7Day Chronic Menidiaminimumreport only (%)Jun

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/GA0021521 · MCP: https://passage-data.com/mcp