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Old London Towne Apartments

Apartment Building Operators, Baton Rouge, Louisiana. NPDES permit LA0077101 expired Jul 31, 2022; its limits still apply. Last 12 months: over a limit 52 times (last June 2026), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 59 days after each period: form A quarterly (30 values), form Q quarterly (12 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
78 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 52 values over a limit
Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
October 2025Solids, total suspended, daily maximum46 mg/L≤ 23 mg/L100%
October 2025Solids, total suspended, monthly average15.8 lb/d≤ 14 lb/d13%
October 2025Solids, total suspended, monthly average26 mg/L≤ 15 mg/L73%
November 2025Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
November 2025Nitrogen, ammonia total [as N], daily maximum53 mg/L≤ 10 mg/L430%
November 2025Nitrogen, ammonia total [as N], monthly average10 lb/d≤ 5 lb/d100%
November 2025Nitrogen, ammonia total [as N], monthly average17 mg/L≤ 5 mg/L240%
December 2025BOD, carbonaceous [5 day, 20 C], daily maximum55.2 mg/L≤ 15 mg/L268%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average13.6 lb/d≤ 9 lb/d51%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average20.6 mg/L≤ 10 mg/L106%
December 2025Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
December 2025Nitrogen, ammonia total [as N], daily maximum11.3 mg/L≤ 10 mg/L13%
December 2025Solids, total suspended, daily maximum34 mg/L≤ 23 mg/L48%
December 2025Solids, total suspended, monthly average15.5 lb/d≤ 14 lb/d11%
December 2025Solids, total suspended, monthly average23.6 mg/L≤ 15 mg/L57%
January 2026BOD, carbonaceous [5 day, 20 C], daily maximum15.9 mg/L≤ 15 mg/L6%
January 2026Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
January 2026Coliform, fecal general, monthly geometric mean> 1000 #/100mL≤ 200 #/100mL—
January 2026Nitrogen, ammonia total [as N], daily maximum17.1 mg/L≤ 10 mg/L71%
January 2026Solids, total suspended, daily maximum40 mg/L≤ 23 mg/L74%
January 2026Solids, total suspended, monthly average21 mg/L≤ 15 mg/L40%
February 2026BOD, carbonaceous [5 day, 20 C], daily maximum25 mg/L≤ 15 mg/L67%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average12 mg/L≤ 10 mg/L20%
February 2026Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
February 2026Nitrogen, ammonia total [as N], monthly average6 mg/L≤ 5 mg/L20%
March 2026BOD, carbonaceous [5 day, 20 C], daily maximum40.8 mg/L≤ 15 mg/L172%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average16 lb/d≤ 9 lb/d78%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average23.6 mg/L≤ 10 mg/L136%
March 2026Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
March 2026Coliform, fecal general, monthly geometric mean265 #/100mL≤ 200 #/100mL33%
March 2026Solids, total suspended, daily maximum103 mg/L≤ 23 mg/L348%
March 2026Solids, total suspended, monthly average34 lb/d≤ 14 lb/d143%
March 2026Solids, total suspended, monthly average50 mg/L≤ 15 mg/L233%
April 2026Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
April 2026Coliform, fecal general, monthly geometric mean559 #/100mL≤ 200 #/100mL180%
April 2026Solids, total suspended, daily maximum40 mg/L≤ 23 mg/L74%
May 2026BOD, carbonaceous [5 day, 20 C], daily maximum35.2 mg/L≤ 15 mg/L135%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average11 lb/d≤ 9 lb/d22%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average16.7 mg/L≤ 10 mg/L67%
May 2026Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
May 2026Coliform, fecal general, monthly geometric mean650 #/100mL≤ 200 #/100mL225%
May 2026Solids, total suspended, daily maximum45 mg/L≤ 23 mg/L96%
May 2026Solids, total suspended, monthly average20 mg/L≤ 15 mg/L33%
June 2026BOD, carbonaceous [5 day, 20 C], daily maximum46 mg/L≤ 15 mg/L207%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average18 lb/d≤ 9 lb/d100%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average24 mg/L≤ 10 mg/L140%
June 2026Coliform, fecal general, daily maximum> 1000 #/100mL≤ 400 #/100mL—
June 2026Coliform, fecal general, monthly geometric mean559 #/100mL≤ 200 #/100mL180%
June 2026Solids, total suspended, daily maximum55 mg/L≤ 23 mg/L139%
June 2026Solids, total suspended, monthly average19.9 lb/d≤ 14 lb/d42%
June 2026Solids, total suspended, monthly average26 mg/L≤ 15 mg/L73%

Limits in force (42)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 23 mg/Lall year
Solids, total suspendeddaily maximum≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 14 lb/dall year
Solids, total suspendedmonthly average≤ 14 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5 lb/dall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 lb/dall year

How strict are these limits?

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

Same industry: the 10 Real Estate permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0077101 · MCP: https://passage-data.com/mcp