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

(Unknown Permittee)

Sewage treatment plant, Ridgeville, South Carolina. NPDES permit SC0049361, in force until Nov 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (57 values), form 2 quarterly, form 3 quarterly
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 20 reports late

Limits in force (75)

ParameterStatisticLimitMonths
Oxygen demand, ultimatemonthly averagereport only (lb/d)Mar–Oct
Oxygen demand, ultimateweekly averagereport only (lb/d)Mar–Oct
Oxygen demand, ultimatemonthly averagereport only (lb/d)Mar–Oct
Oxygen demand, ultimateweekly averagereport only (lb/d)Mar–Oct
Oxygen demand, ultimatemonthly average= 1725 lb/dMar–Oct
Oxygen demand, ultimateweekly averagereport only (lb/d)Mar–Oct
Oxygen demand, ultimatemonthly averagereport only (lb/d)Jan, Feb, Nov, Dec
Oxygen demand, ultimateweekly averagereport only (lb/d)Jan, Feb, Nov, Dec
Oxygen demand, ultimatemonthly averagereport only (lb/d)Jan, Feb, Nov, Dec
Oxygen demand, ultimateweekly averagereport only (lb/d)Jan, Feb, Nov, Dec
Oxygen demand, ultimatemonthly average= 1725 lb/dJan, Feb, Nov, Dec
Oxygen demand, ultimateweekly averagereport only (lb/d)Jan, Feb, Nov, Dec
Oxygen, dissolved [DO]minimum= 6 mg/Lall year
pHminimum= 6 SUall year
pHmaximum= 8.5 SUall year
Solids, total suspendedmonthly average= 30 mg/Lall year
Solids, total suspendedweekly average= 45 mg/Lall year
Solids, total suspendedmonthly average= 1000 lb/dall year
Solids, total suspendedweekly average= 1501 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]weekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average= 1 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average= .5 mg/LMar–Oct
Nitrogen, ammonia total [as N]weekly average= 1.5 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average= .75 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average= 33.4 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average= 16.7 lb/dMar–Oct
Nitrogen, ammonia total [as N]weekly average= 50 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average= 25 lb/dMar–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]weekly averagereport only (lb/d)all year
Cadmium, total [as Cd]monthly average= .0016 mg/Lall year
Cadmium, total [as Cd]daily maximum= .003 mg/Lall year
Cadmium, total [as Cd]monthly average= .053 lb/dall year
Cadmium, total [as Cd]daily maximum= .1 lb/dall year
Copper, total [as Cu]monthly average= .015 mg/Lall year
Copper, total [as Cu]daily maximum= .019 mg/Lall year
Copper, total [as Cu]monthly average= .5 lb/dall year
Copper, total [as Cu]daily maximum= .63 lb/dall year
Lead, total [as Pb]monthly average= .0054 mg/Lall year
Lead, total [as Pb]daily maximumreport only (mg/L)all year
Lead, total [as Pb]monthly average= .18 lb/dall year
Lead, total [as Pb]daily maximumreport only (lb/d)all year
Zinc, total [as Zn]monthly average= .24 mg/Lall year
Zinc, total [as Zn]daily maximum= .24 mg/Lall year
Zinc, total [as Zn]monthly average= 8 lb/dall year
Zinc, total [as Zn]daily maximum= 8 lb/dall 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= .018 mg/Lall year
Chlorine, total residualdaily maximum= .032 mg/Lall year
Chlorine, total residualmonthly average= .6 lb/dall year
Chlorine, total residualdaily maximum= 1.07 lb/dall year
E. colimonthly average minimum= 126 MPN/100mLall year
E. colidaily maximum= 349 MPN/100mLall year
E. colimonthly average minimum= 126 MPN/100mLall year
E. colidaily maximum= 800 MPN/100mLall year
Mercury, total [as Hg]monthly average= 51 ng/Lall year
Mercury, total [as Hg]daily maximum= 74 ng/Lall year
Mercury, total [as Hg]monthly average= .0017 lb/dall year
Mercury, total [as Hg]daily maximum= .0025 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average= 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average= 7.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average= 167 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average= 250 lb/dall year
BOD, 5-day, percent removalmonthly average minimum= 85 %all year
Solids, suspended percent removalmonthly average minimum= 85 %all year
LC50 Static 48Hr Acute Ceriodaphnia dubiadaily minimumreport only (%)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
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily minimumreport only (%)all year

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/SC0049361 · MCP: https://passage-data.com/mcp