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

(Unknown Permittee)

Apartment Building Operators, Orangeburg, South Carolina. NPDES permit SC0029645, in force until Nov 30, 2029. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (25 values), form 2 quarterly (8 values), form 3 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
December 2025%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, daily maximum41≤ 40 %3%
December 2025%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia, monthly average41≤ 25 %64%
June 2026E. coli, 30-day geometric mean> 13.42≤ 126 MPN/100mL—
June 2026E. coli, daily maximum> 2419≤ 349 MPN/100mL—

Limits in force (41)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 21 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 42 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 11.8 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 23.7 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 16.9 lb/dall year
Solids, total suspendeddaily maximum≤ 33.8 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.58 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.84 mg/LMar–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 11.16 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 3.68 mg/LMar–Oct
Nitrogen, ammonia total [as N]monthly average≤ 3.15 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.04 lb/dMar–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 6.29 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2.07 lb/dMar–Oct
Copper, total [as Cu]monthly average≤ .012 mg/Lall year
Copper, total [as Cu]daily maximum≤ .016 mg/Lall year
Copper, total [as Cu]monthly average≤ .007 lb/dall year
Copper, total [as Cu]daily maximum≤ .009 lb/dall year
Lead, total [as Pb]monthly average≤ .004 mg/Lall year
Lead, total [as Pb]daily maximumreport only (mg/L)all year
Lead, total [as Pb]monthly average≤ .002 lb/dall year
Lead, total [as Pb]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 plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .014 mg/Lall year
Chlorine, total residualdaily maximum≤ .024 mg/Lall year
Chlorine, total residualmonthly average≤ .008 lb/dall year
Chlorine, total residualdaily maximum≤ .014 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
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

How strict are these limits?

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

Same industry: the 27 Real Estate permits in South Carolina.

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/SC0029645 · MCP: https://passage-data.com/mcp