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National Water Infrastructure LLC - Ascension Parish Regional WWTP

NPDES permit LA0127910 · EPA data of Oct 12, 2026

What it is
Industrial or other facility
Where
Louisiana · map
Last 12 months
No reports in EPA's file
Permit
In force until Sep 30, 2031

What brings you here? · ·

Check this month's numbers before you file
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EPA ECHOFacility reportDMR history

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

EPA has no reports on file for this permit in this window. That may be EPA's gap, not the facility's.

Reporting

Reports due
About 28 days after each period ends

How strict are these limits?

Compared with the same limit in similar permits.

1 other limit has too few similar permits to compare.

Limits in force (35)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. Cmonthly average <= 30 mg/L all year
001BOD, 5-day, 20 deg. Cdaily maximum <= 45 mg/L all year
001BOD, 5-day, 20 deg. Cmonthly average <= 951 lb/d all year
001BOD, 5-day, 20 deg. Cmonthly average report only all year
001BOD, 5-day, 20 deg. Cdaily maximum report only all year
001pHinstantaneous minimum >= 6 SU all year
001pHinstantaneous maximum <= 9 SU all year
001Solids, total suspendedmonthly average <= 30 mg/L all year
001Solids, total suspendeddaily maximum <= 45 mg/L all year
001Solids, total suspendedmonthly average <= 951 lb/d all year
001Solids, total suspendedmonthly average report only all year
001Solids, total suspendeddaily maximum report only all year
001Nitrogen, total [as N]monthly average report only all year
001Nitrogen, total [as N]daily maximum report only all year
001Nitrogen, total [as N]monthly average report only all year
001Phosphorus, total [as P]monthly average report only all year
001Phosphorus, total [as P]daily maximum report only all year
001Phosphorus, total [as P]monthly average report only all year
001Flow, in conduit or thru treatment plantmonthly average report only all year
001Flow, in conduit or thru treatment plantdaily maximum report only all year
001BOD, percent removal [total]monthly average minimum >= 85 % all year
001Priority pollutants scan [yes/no]minimum >= 1 N=0;Y=1 all year
001Coliform, fecal generalmonthly geometric mean <= 200 #/100mL all year
001Coliform, fecal generaldaily maximum <= 400 #/100mL all year
001Solids, suspended percent removalmonthly average minimum >= 85 % all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimum report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimum report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimum report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimum report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimum report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimum report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimum report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimum report only all year
001Coef Of Var Static Renewal 48Hr Acute D. pulexmaximum report only all year
001Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmaximum report only all year

Cited limits by parameter: Louisiana's rules and the federal ones, each row cited to the rule it comes from.

For programs and AI agents: this permit as JSON at /api/v1/permits/LA0127910; or add https://passage-data.com/mcp as a remote MCP server (tool get_permit; find_limits for cited state and federal limits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states