Passage Data · Check a report · Use it from your AI

Latta Town of

Sewage treatment plant, major discharger, Latta, South Carolina. NPDES permit SC0025402 expired Aug 31, 2022; its limits still apply. Last 12 months: over a limit 2 times (last December 2025), 46 required values missing, 7 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (40 values), form 2 quarterly, form 3 quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 3 of 20 reports late

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

Period endingParameterReportedLimit
December 2025Oxygen demand, ultimate, monthly average29≤ 0 lb/d
December 2025Oxygen demand, ultimate, monthly average29≤ 0 lb/d

Limits in force (50)

ParameterStatisticLimitMonths
Oxygen demand, ultimatemonthly averagereport only (lb/d)all year
Oxygen demand, ultimateweekly averagereport only (lb/d)all year
Oxygen demand, ultimatemonthly average≤ 0 lb/dall year
Oxygen demand, ultimatemonthly average≤ 195 lb/dall year
Oxygen demand, ultimateweekly averagereport only (lb/d)all year
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 125 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 188 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 751 lb/dall year
Solids, total suspendedweekly average≤ 1126 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 2.25 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 4.36 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 3.38 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 6.54 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 19 lb/dMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 36 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 28 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average≤ 55 lb/dJan, Feb, Nov, Dec
Cyanide, total [as CN]monthly average≤ .0052 mg/Lall year
Cyanide, total [as CN]daily maximum≤ .022 mg/Lall year
Cyanide, total [as CN]monthly average≤ .043 lb/dall year
Cyanide, total [as CN]daily maximum≤ .183 lb/dall year
Copper, total [as Cu]monthly averagereport only (mg/L)all year
Copper, total [as Cu]daily maximumreport only (mg/L)all year
Copper, total [as Cu]monthly averagereport only (lb/d)all year
Copper, total [as Cu]daily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualmonthly average≤ .011 mg/Lall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
Chlorine, total residualmonthly average≤ .09 lb/dall year
Chlorine, total residualdaily maximum≤ .16 lb/dall year
E. coli30-day geometric mean≤ 126 MPN/100mLall year
E. colidaily maximum≤ 349 MPN/100mLall year
E. coli30-day geometric mean≤ 126 MPN/100mLall year
E. colidaily maximum≤ 800 MPN/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (lb/d)all year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average≤ 25 %all year
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximum≤ 40 %all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SC0025402 · MCP: https://passage-data.com/mcp