Nexpera, LLC: Nexpera-Burnside Facility — NPDES permit LA0002771: limits, due date and EPA's record

Industrial Inorganic Chemicals, major discharger, Burnside, Louisiana. NPDES permit LA0002771 expired Oct 31, 2022; its limits still apply. Last 12 months: over a limit 4 times (last August 2026), 2 required values missing, 5 of 92 reports late. Source: EPA ECHO, Oct 22, 2026.

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

Period ending	Outfall	Parameter	Reported	Limit	Over by
November 2025	001	pH range excursions, > 60 minutes, monthly total	4 occur/mo	≤ 0 occur/mo	—
November 2025	001	pH range excursions, monthly total accum, monthly total	670 min	≤ 446 min	50%
November 2025	301	pH range excursions, > 60 minutes, monthly total	1 occur/mo	≤ 0 occur/mo	—
August 2026	101	Nickel, total [as Ni], daily maximum	1.98 mg/L	≤ 1.5 mg/L	32%

Limits in force (133)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	monthly average	report only (deg F)	all year	001
Temperature, water deg. fahrenheit	daily maximum	report only (deg F)	all year	001
pH	instantaneous minimum	report only (SU)	all year	001
pH	instantaneous maximum	report only (SU)	all year	001
Solids, total suspended	daily maximum	≤ 90 mg/L	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	001
Oil and grease	daily maximum	≤ 15 mg/L	all year	001
Whole effluent toxicity - retest #1	48-hour minimum	report only (pass=0;fail=1)	all year	001
Whole effluent toxicity - retest #1	48-hour minimum	report only (pass=0;fail=1)	all year	001
Whole effluent toxicity - retest #1	monthly average minimum	report only (pass=0;fail=1)	all year	001
Whole effluent toxicity - retest #1	monthly average minimum	report only (pass=0;fail=1)	all year	001
Whole effluent toxicity - retest #2	48-hour minimum	report only (pass=0;fail=1)	all year	001
Whole effluent toxicity - retest #2	48-hour minimum	report only (pass=0;fail=1)	all year	001
Whole effluent toxicity - retest #2	monthly average minimum	report only (pass=0;fail=1)	all year	001
Whole effluent toxicity - retest #2	monthly average minimum	report only (pass=0;fail=1)	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
Whole Effluent Toxicity - Retest #3	48-hour minimum	report only (pass=0;fail=1)	all year	001
Whole Effluent Toxicity - Retest #3	48-hour minimum	report only (pass=0;fail=1)	all year	001
Whole Effluent Toxicity - Retest #3	monthly average minimum	report only (pass=0;fail=1)	all year	001
Whole Effluent Toxicity - Retest #3	monthly average minimum	report only (pass=0;fail=1)	all year	001
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	001
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	48-hour minimum	report only (pass=0;fail=1)	all year	001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	monthly average minimum	report only (pass=0;fail=1)	all year	001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	48-hour minimum	report only (pass=0;fail=1)	all year	001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	monthly average minimum	report only (pass=0;fail=1)	all year	001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	48-hour minimum	report only (%)	all year	001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	monthly average minimum	report only (%)	all year	001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	48-hour minimum	report only (%)	all year	001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	monthly average minimum	report only (%)	all year	001
Coef Of Var Static Renewal 48Hr Acute D. pulex	maximum	report only (%)	all year	001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas	maximum	report only (%)	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	004
pH	instantaneous maximum	≤ 9 SU	all year	004
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	004
Oil and grease	daily maximum	≤ 15 mg/L	all year	004
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	004
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	004
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	004
pH	instantaneous minimum	≥ 6 SU	all year	005
pH	instantaneous maximum	≤ 9 SU	all year	005
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	005
Oil and grease	daily maximum	≤ 15 mg/L	all year	005
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	005
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	005
Mercury, total [as Hg]	monthly average	report only (mg/L)	all year	005
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	005
pH	instantaneous minimum	report only (SU)	all year	101
pH	instantaneous maximum	report only (SU)	all year	101
Solids, total suspended	monthly average	≤ 60 lb/d	all year	101
Solids, total suspended	daily maximum	≤ 180 lb/d	all year	101
Chromium, total [as Cr]	monthly average	≤ .4 mg/L	all year	101
Chromium, total [as Cr]	monthly average	≤ .4 mg/L	all year	101
Chromium, total [as Cr]	daily maximum	≤ 1.2 mg/L	all year	101
Chromium, total [as Cr]	daily maximum	≤ 1.2 mg/L	all year	101
Chromium, total [as Cr]	monthly average	≤ .4 lb/d	all year	101
Chromium, total [as Cr]	monthly average	≤ .72 lb/d	all year	101
Chromium, total [as Cr]	daily maximum	≤ 1.2 lb/d	all year	101
Chromium, total [as Cr]	daily maximum	≤ 2.16 lb/d	all year	101
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	101
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	101
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	101
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	101
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	101
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	101
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	101
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	101
Copper, total [as Cu]	monthly average	≤ .6 lb/d	all year	101
Copper, total [as Cu]	monthly average	≤ .6 lb/d	all year	101
Copper, total [as Cu]	monthly average	≤ 1.08 lb/d	all year	101
Copper, total [as Cu]	monthly average	≤ 1.08 lb/d	all year	101
Copper, total [as Cu]	daily maximum	≤ .82 lb/d	all year	101
Copper, total [as Cu]	daily maximum	≤ .82 lb/d	all year	101
Copper, total [as Cu]	daily maximum	≤ 1.48 lb/d	all year	101
Copper, total [as Cu]	daily maximum	≤ 1.48 lb/d	all year	101
Lead, total [as Pb]	monthly average	report only (mg/L)	all year	101
Lead, total [as Pb]	monthly average	report only (mg/L)	all year	101
Lead, total [as Pb]	monthly average	report only (mg/L)	all year	101
Lead, total [as Pb]	monthly average	report only (mg/L)	all year	101
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	101
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	101
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	101
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	101
Lead, total [as Pb]	monthly average	≤ .2 lb/d	all year	101
Lead, total [as Pb]	monthly average	≤ .2 lb/d	all year	101
Lead, total [as Pb]	monthly average	≤ .36 lb/d	all year	101
Lead, total [as Pb]	monthly average	≤ .36 lb/d	all year	101
Lead, total [as Pb]	daily maximum	≤ .28 lb/d	all year	101
Lead, total [as Pb]	daily maximum	≤ .28 lb/d	all year	101
Lead, total [as Pb]	daily maximum	≤ .5 lb/d	all year	101
Lead, total [as Pb]	daily maximum	≤ .5 lb/d	all year	101
Nickel, total [as Ni]	monthly average	≤ .7 mg/L	all year	101
Nickel, total [as Ni]	monthly average	≤ .7 mg/L	all year	101
Nickel, total [as Ni]	daily maximum	≤ 1.5 mg/L	all year	101
Nickel, total [as Ni]	daily maximum	≤ 1.5 mg/L	all year	101
Nickel, total [as Ni]	monthly average	≤ .7 lb/d	all year	101
Nickel, total [as Ni]	monthly average	≤ 1.26 lb/d	all year	101
Nickel, total [as Ni]	daily maximum	≤ 1.5 lb/d	all year	101
Nickel, total [as Ni]	daily maximum	≤ 2.7 lb/d	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
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	101
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	101
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	104
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	104
pH	instantaneous minimum	≥ 6 SU	all year	104
pH	instantaneous maximum	≤ 9 SU	all year	104
Solids, total suspended	monthly average	≤ 30 mg/L	all year	104
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	104
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	104
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year	104
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	104
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	104
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	201
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	201
pH	instantaneous minimum	≥ 6 SU	all year	204
pH	instantaneous maximum	≤ 9 SU	all year	204
Solids, total suspended	daily maximum	≤ 90 mg/L	all year	204
Oil & Grease	daily maximum	≤ 15 mg/L	all year	204
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	204
Lead, total [as Pb]	daily maximum	≤ 50 ug/L	all year	204
Benzene	daily maximum	≤ 50 ug/L	all year	204
BTEX	daily maximum	≤ 250 ug/L	all year	204
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	204
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	204
pH	minimum	report only (SU)	all year	301
pH	maximum	report only (SU)	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
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	301
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	301

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0002771 · MCP: https://passage-data.com/mcp