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Town of Blanchard - Wastewater Treatment Plant

Sewage treatment plant, Blanchard, Louisiana. NPDES permit LA0038903 expired Apr 30, 2025; its limits still apply. Last 12 months: over a limit 57 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (32 values), form Q quarterly (6 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
70 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 57 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average114 lb/d≤ 25 lb/d356%
October 2025Nitrogen, ammonia total [as N], monthly average61.4 mg/L≤ 10 mg/L514%
October 2025Nitrogen, ammonia total [as N], weekly average61.4 mg/L≤ 20 mg/L207%
November 2025Nitrogen, ammonia total [as N], monthly average41.3 mg/L≤ 10 mg/L313%
November 2025Nitrogen, ammonia total [as N], monthly average77.4 lb/d≤ 25 lb/d210%
November 2025Nitrogen, ammonia total [as N], weekly average40.7 mg/L≤ 20 mg/L104%
November 2025Solids, total suspended, monthly average40.8 mg/L≤ 20 mg/L104%
November 2025Solids, total suspended, monthly average77.5 lb/d≤ 50 lb/d55%
November 2025Solids, total suspended, weekly average40.8 mg/L≤ 30 mg/L36%
December 2025Nitrogen, ammonia total [as N], monthly average37.9 mg/L≤ 10 mg/L279%
December 2025Nitrogen, ammonia total [as N], monthly average77.6 lb/d≤ 25 lb/d210%
December 2025Nitrogen, ammonia total [as N], weekly average37.4 mg/L≤ 20 mg/L87%
December 2025Oxygen, dissolved [DO], monthly average minimum4.29 mg/L≥ 5 mg/L14%
December 2025Solids, total suspended, monthly average161 lb/d≤ 50 lb/d222%
December 2025Solids, total suspended, monthly average60.8 mg/L≤ 20 mg/L204%
December 2025Solids, total suspended, weekly average77.6 mg/L≤ 30 mg/L159%
January 2026Nitrogen, ammonia total [as N], monthly average32 mg/L≤ 10 mg/L220%
January 2026Nitrogen, ammonia total [as N], monthly average66.3 lb/d≤ 25 lb/d165%
January 2026Nitrogen, ammonia total [as N], weekly average28.7 mg/L≤ 20 mg/L44%
January 2026Oxygen, dissolved [DO], monthly average minimum3.6 mg/L≥ 5 mg/L28%
January 2026Solids, total suspended, monthly average135 lb/d≤ 50 lb/d170%
January 2026Solids, total suspended, monthly average62.3 mg/L≤ 20 mg/L212%
January 2026Solids, total suspended, weekly average58.4 mg/L≤ 30 mg/L95%
February 2026Nitrogen, ammonia total [as N], monthly average129 lb/d≤ 25 lb/d416%
February 2026Nitrogen, ammonia total [as N], monthly average62.2 mg/L≤ 10 mg/L522%
February 2026Nitrogen, ammonia total [as N], weekly average60.4 mg/L≤ 20 mg/L202%
February 2026Oxygen, dissolved [DO], monthly average minimum4.8 mg/L≥ 5 mg/L4%
February 2026Solids, total suspended, monthly average42.3 mg/L≤ 20 mg/L112%
February 2026Solids, total suspended, monthly average89.1 lb/d≤ 50 lb/d78%
February 2026Solids, total suspended, weekly average41.9 mg/L≤ 30 mg/L40%
March 2026Nitrogen, ammonia total [as N], monthly average45.8 mg/L≤ 10 mg/L358%
March 2026Nitrogen, ammonia total [as N], monthly average97.4 lb/d≤ 25 lb/d290%
March 2026Nitrogen, ammonia total [as N], weekly average42.8 mg/L≤ 20 mg/L114%
March 2026Oxygen, dissolved [DO], monthly average minimum4.7 mg/L≥ 5 mg/L6%
March 2026Solids, total suspended, monthly average139 lb/d≤ 50 lb/d178%
March 2026Solids, total suspended, monthly average53.3 mg/L≤ 20 mg/L167%
March 2026Solids, total suspended, weekly average61.2 mg/L≤ 30 mg/L104%
April 2026Nitrogen, ammonia total [as N], monthly average108 lb/d≤ 25 lb/d332%
April 2026Nitrogen, ammonia total [as N], monthly average51.1 mg/L≤ 10 mg/L411%
April 2026Nitrogen, ammonia total [as N], weekly average50.4 mg/L≤ 20 mg/L152%
April 2026Oxygen, dissolved [DO], monthly average minimum4.56 mg/L≥ 5 mg/L9%
April 2026Solids, total suspended, monthly average30 mg/L≤ 20 mg/L50%
April 2026Solids, total suspended, monthly average81.9 lb/d≤ 50 lb/d64%
April 2026Solids, total suspended, weekly average38.1 mg/L≤ 30 mg/L27%
May 2026Nitrogen, ammonia total [as N], monthly average107 lb/d≤ 25 lb/d328%
May 2026Nitrogen, ammonia total [as N], monthly average53.1 mg/L≤ 10 mg/L431%
May 2026Nitrogen, ammonia total [as N], weekly average51.3 mg/L≤ 20 mg/L157%
May 2026Oxygen, dissolved [DO], monthly average minimum4.66 mg/L≥ 5 mg/L7%
May 2026Solids, total suspended, monthly average28.5 mg/L≤ 20 mg/L43%
May 2026Solids, total suspended, monthly average60.9 lb/d≤ 50 lb/d22%
June 2026Nitrogen, ammonia total [as N], monthly average33.2 mg/L≤ 10 mg/L232%
June 2026Nitrogen, ammonia total [as N], monthly average77.8 lb/d≤ 25 lb/d211%
June 2026Nitrogen, ammonia total [as N], weekly average30.8 mg/L≤ 20 mg/L54%
June 2026Oxygen, dissolved [DO], monthly average minimum4.31 mg/L≥ 5 mg/L14%
June 2026Solids, total suspended, monthly average34.5 mg/L≤ 20 mg/L73%
June 2026Solids, total suspended, monthly average97.1 lb/d≤ 50 lb/d94%
June 2026Solids, total suspended, weekly average38.4 mg/L≤ 30 mg/L28%

Limits in force (38)

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≤ 20 mg/Lall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 50 lb/dall year
Solids, total suspendedmonthly average≤ 50 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≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 25 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 25 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
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly average≤ 400 #/100mLall year
Coliform, fecal generalweekly average≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 50 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 50 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/LA0038903 · MCP: https://passage-data.com/mcp