Vermilion Parish Police Jury — NPDES permit LA0056031: limits, due date and EPA's record

Sewage treatment plant, Abbeville, Louisiana. NPDES permit LA0056031, in force until Jul 31, 2027. Last 12 months: over a limit 15 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

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

Limits in force (93)

Period ending	Outfall	Parameter	Reported	Limit	Over by
December 2025	002	Carbon, tot organic [TOC], daily maximum	288 mg/L	≤ 50 mg/L	476%
December 2025	101	BOD, 5-day, 20 deg. C, monthly average	44 mg/L	≤ 30 mg/L	47%
December 2025	101	Coliform, fecal general, daily maximum	> 2419.6 #/100mL	≤ 400 #/100mL	—
December 2025	101	Coliform, fecal general, monthly geometric mean	> 2419.6 #/100mL	≤ 200 #/100mL	—
December 2025	101	Solids, total suspended, daily maximum	76 mg/L	≤ 45 mg/L	69%
December 2025	101	Solids, total suspended, monthly average	76 mg/L	≤ 27 mg/L	181%
January 2026	101	Coliform, fecal general, daily maximum	> 2419.6 #/100mL	≤ 400 #/100mL	—
January 2026	101	Coliform, fecal general, monthly geometric mean	> 2419.6 #/100mL	≤ 200 #/100mL	—
January 2026	101	Solids, total suspended, daily maximum	71 mg/L	≤ 45 mg/L	58%
January 2026	101	Solids, total suspended, monthly average	71 mg/L	≤ 27 mg/L	163%
January 2026	101	pH, instantaneous maximum	9.5 SU	≤ 9 SU	—
May 2026	101	Coliform, fecal general, daily maximum	> 2419.6 #/100mL	≤ 400 #/100mL	—
May 2026	101	Coliform, fecal general, monthly geometric mean	> 2419.6 #/100mL	≤ 200 #/100mL	—
May 2026	101	Solids, total suspended, daily maximum	60 mg/L	≤ 45 mg/L	33%
May 2026	101	Solids, total suspended, monthly average	60 mg/L	≤ 27 mg/L	122%

Parameter	Statistic	Limit	Months	Outfall
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Oil & Grease	daily maximum	≤ 15 mg/L	all year	001
Oil & Grease	daily maximum	≤ 15 mg/L	all year	001
Nitrogen, total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	001
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	003
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	101
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	101
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	101
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	101
pH	instantaneous minimum	≥ 6 SU	all year	101
pH	instantaneous minimum	≥ 6 SU	all year	101
pH	instantaneous maximum	≤ 9 SU	all year	101
pH	instantaneous maximum	≤ 9 SU	all year	101
Solids, total suspended	monthly average	≤ 27 mg/L	all year	101
Solids, total suspended	monthly average	≤ 27 mg/L	all year	101
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	101
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	101
Nitrogen, ammonia total [as N]	monthly average	≤ 4.9 mg/L	all year	101
Nitrogen, ammonia total [as N]	monthly average	≤ 4.9 mg/L	all year	101
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	all year	101
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	all year	101
Zinc, total [as Zn]	monthly average	≤ .11 mg/L	all year	101
Zinc, total [as Zn]	daily maximum	≤ .2 mg/L	all year	101
Phenol	monthly average	≤ .015 mg/L	all year	101
Phenol	daily maximum	≤ .026 mg/L	all year	101
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	101
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	101
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	101
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	101
.alpha.-Terpineol	monthly average	≤ .016 mg/L	all year	101
.alpha.-Terpineol	daily maximum	≤ .033 mg/L	all year	101
Priority pollutants scan [yes/no]	minimum	≥ 1 N=0;Y=1	all year	101
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	101
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	101
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	101
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	101
p-Cresol	monthly average	≤ .014 mg/L	all year	101
p-Cresol	daily maximum	≤ .025 mg/L	all year	101
Benzoic acids, total	monthly average	≤ .071 mg/L	all year	101
Benzoic acids, total	daily maximum	≤ .12 mg/L	all year	101
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	102
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	102
pH	instantaneous minimum	≥ 6 SU	all year	102
pH	instantaneous maximum	≤ 9 SU	all year	102
Solids, total suspended	monthly average	≤ 30 mg/L	all year	102
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	102
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	102
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	102
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	102
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	301
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	301
pH	instantaneous minimum	≥ 6 SU	all year	301
pH	instantaneous maximum	≤ 9 SU	all year	301
Solids, total suspended	monthly average	≤ 30 mg/L	all year	301
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	301
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	301
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	301
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	301

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0056031 · MCP: https://passage-data.com/mcp