Clean Water Act discharge permit · NPDES MO0117307

HUNTSMAN P AND A AMERICAS LLC, St. Louis, MO: NPDES MO0117307 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
13Pollutants under a numeric limit
1Pollutants with an effluent exceedance

HUNTSMAN P AND A AMERICAS LLC, held by Huntsman Pigments, holds NPDES permit MO0117307, which discharges to Mississippi R.. EPA’s file records it issued May 16, 2014 and expiring June 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	HUNTSMAN P AND A AMERICAS LLC
Permittee as filed	Huntsman Pigments
NPDES ID	MO0117307
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	May 16, 2014
Expiration date	June 30, 2017
Issuing agency	MODNR-Water Protection Program
Address	St. Louis, MO 63125
Receiving water	Mississippi R.
Receiving water impaired	303(D) Listed
Subwatershed	Palmer Creek-Mississippi River (HUC 071401010507)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

14Pollutants on file
13Under a numeric limit
11With a violation of any kind
1With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Iron, total recoverable	6	4	2	June 30, 2016	15,450% over the limit
Precipitation volume	2	6	0
pH	4	4	0
Oxygen demand, chem. [high level] [COD]	4	2	0
Oil and grease [soxhlet extr.] tot.	4	2	0
Storm water flow	4	2	0
Solids, total suspended	2	2	0
Nitrogen, ammonia total [as N]	2	2	0
Nitrite + Nitrate total [as N]	2	2	0
Aluminum, total recoverable	2	2	0
Nitrogen, total [as N]	0	2	0
Zinc, total recoverable	2	0	0
Organics, total toxic [TTO]	2	0	0
Sulfate	2	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0117307.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0117307.

Start the watch

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MO0117307 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit MO0117307, held by HUNTSMAN P AND A AMERICAS LLC (permittee listed as Huntsman Pigments) for a St. Louis, MO facility that discharges to the Mississippi R., with permit status listed as Effective and a Minor discharger class of 13. The page lists 14 pollutants on file, 13 under a numeric limit, 11 with a violation of any kind, and 1 with an effluent exceedance.