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Livingston Parish Sewer District- Buddy Ellis Road Regional Potw

Sewage treatment plant, Denham Springs, Louisiana. NPDES permit LA0127442 expired Oct 31, 2025; its limits still apply. Last 12 months: over a limit 55 times (last June 2026), 3 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (32 values), form Q quarterly (6 values), form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
101 values over a limit, 6 required values missing, 0 of 17 reports late

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

All 55 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average10 mg/L≤ 5 mg/L100%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average25 lb/d≤ 20.9 lb/d20%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average17.8 mg/L≤ 10 mg/L78%
October 2025Nitrogen, ammonia total [as N], monthly average24 lb/d≤ 8.3 lb/d189%
October 2025Nitrogen, ammonia total [as N], monthly average9.5 mg/L≤ 2 mg/L375%
October 2025Nitrogen, ammonia total [as N], weekly average24.9 mg/L≤ 4 mg/L523%
October 2025Solids, total suspended, weekly average36 mg/L≤ 23 mg/L57%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average7.8 mg/L≤ 5 mg/L56%
November 2025BOD, carbonaceous [5 day, 20 C], weekly average23.9 mg/L≤ 10 mg/L139%
November 2025Nitrogen, ammonia total [as N], monthly average11 lb/d≤ 8.3 lb/d33%
November 2025Nitrogen, ammonia total [as N], monthly average4.5 mg/L≤ 2 mg/L125%
November 2025Nitrogen, ammonia total [as N], weekly average14.3 mg/L≤ 4 mg/L258%
November 2025Solids, total suspended, weekly average25 mg/L≤ 23 mg/L9%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average11 mg/L≤ 5 mg/L120%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average27 lb/d≤ 20.9 lb/d29%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average30.7 mg/L≤ 10 mg/L207%
December 2025Nitrogen, ammonia total [as N], monthly average13 mg/L≤ 2 mg/L550%
December 2025Nitrogen, ammonia total [as N], monthly average32 lb/d≤ 8.3 lb/d286%
December 2025Nitrogen, ammonia total [as N], weekly average31.2 mg/L≤ 4 mg/L680%
December 2025Solids, total suspended, weekly average36 mg/L≤ 23 mg/L57%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average12.6 mg/L≤ 10 mg/L26%
January 2026Coliform, fecal general, weekly geometric mean1000 #/100mL≤ 400 #/100mL150%
January 2026Nitrogen, ammonia total [as N], monthly average12.9 mg/L≤ 2 mg/L545%
January 2026Nitrogen, ammonia total [as N], monthly average43 lb/d≤ 8.3 lb/d418%
January 2026Nitrogen, ammonia total [as N], weekly average25.5 mg/L≤ 4 mg/L538%
January 2026Solids, total suspended, weekly average41 mg/L≤ 23 mg/L78%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average28 mg/L≤ 5 mg/L460%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average93 lb/d≤ 20.9 lb/d345%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average92.2 mg/L≤ 10 mg/L822%
February 2026Nitrogen, ammonia total [as N], monthly average32 lb/d≤ 8.3 lb/d286%
February 2026Nitrogen, ammonia total [as N], monthly average9.7 mg/L≤ 2 mg/L385%
February 2026Nitrogen, ammonia total [as N], weekly average16.9 mg/L≤ 4 mg/L323%
March 2026Nitrogen, ammonia total [as N], monthly average28 lb/d≤ 8.3 lb/d237%
March 2026Nitrogen, ammonia total [as N], monthly average8.5 mg/L≤ 2 mg/L325%
March 2026Nitrogen, ammonia total [as N], weekly average16.4 mg/L≤ 4 mg/L310%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average12 mg/L≤ 5 mg/L140%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average40 lb/d≤ 20.9 lb/d91%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average16.4 mg/L≤ 10 mg/L64%
April 2026Nitrogen, ammonia total [as N], monthly average20 mg/L≤ 2 mg/L900%
April 2026Nitrogen, ammonia total [as N], monthly average67 lb/d≤ 8.3 lb/d707%
April 2026Nitrogen, ammonia total [as N], weekly average25.3 mg/L≤ 4 mg/L533%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average27 lb/d≤ 20.9 lb/d29%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average8 mg/L≤ 5 mg/L60%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average15.3 mg/L≤ 10 mg/L53%
May 2026Coliform, fecal general, weekly geometric mean1000 #/100mL≤ 400 #/100mL150%
May 2026Nitrogen, ammonia total [as N], monthly average23 lb/d≤ 8.3 lb/d177%
May 2026Nitrogen, ammonia total [as N], monthly average7 mg/L≤ 2 mg/L250%
May 2026Nitrogen, ammonia total [as N], weekly average10.2 mg/L≤ 4 mg/L155%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average23 lb/d≤ 20.9 lb/d10%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average7 mg/L≤ 5 mg/L40%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average14.4 mg/L≤ 10 mg/L44%
June 2026Coliform, fecal general, weekly geometric mean1000 #/100mL≤ 400 #/100mL150%
June 2026Nitrogen, ammonia total [as N], monthly average15 mg/L≤ 2 mg/L650%
June 2026Nitrogen, ammonia total [as N], monthly average50 lb/d≤ 8.3 lb/d502%
June 2026Nitrogen, ammonia total [as N], weekly average24 mg/L≤ 4 mg/L500%

Limits in force (41)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
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 suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 62.6 lb/dall year
Solids, total suspendedmonthly average≤ 62.6 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, ammonia total [as N]monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 8.3 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 8.3 lb/dall year
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
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 plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Mercury, total [as Hg]monthly averagereport only (mg/L)all year
Mercury, total [as Hg]daily maximumreport only (mg/L)all year
Mercury, total [as Hg]monthly averagereport only (lb/d)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20.9 lb/dall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0127442 · MCP: https://passage-data.com/mcp