Clean Water Act discharge permit · NPDES OKP003097

CITY OF QUAPAW POTW, Quapaw, OK: NPDES OKP003097 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
13Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CITY OF QUAPAW POTW, held by Umicore Optical Materials USA, Inc, holds NPDES permit OKP003097, which discharges to Potw City Of Quapaw. EPA’s file records it issued November 26, 2025 and expiring December 31, 2030. 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.

What the register holds for CITY OF QUAPAW POTW: its NPDES ID, its permit type and status, its dates, its address in Quapaw, Oklahoma, its receiving water, and 13 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES OKP003097.

Identity

Facility as filed	CITY OF QUAPAW POTW
Permittee as filed	Umicore Optical Materials USA, Inc
NPDES ID	OKP003097
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Publicly owned treatment works
Issued	November 26, 2025
Expiration date	December 31, 2030
Issuing agency	OKDEQ
Address	Quapaw, OK 74363
Receiving water	POTW City of Quapaw
Subwatershed	Devils Hollow-Spring River (HUC 110702071004)

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

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
0With a violation of any kind
0With 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
pH	2	0	0
Cyanide, total [as CN]	2	0	0
Fluoride, total [as F]	2	0	0
Arsenic, total [as As]	2	0	0
Cadmium, total [as Cd]	2	0	0
Chromium, total [as Cr]	2	0	0
Copper, total [as Cu]	2	0	0
Lead, total [as Pb]	2	0	0
Nickel, total [as Ni]	2	0	0
Silver, total [as Ag]	2	0	0
Zinc, total [as Zn]	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Total toxic organics [TTO] [40 CFR433]	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES OKP003097.

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 OKP003097.

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, OKP003097.

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 OKP003097 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES OKP003097, held by Umicore Optical Materials USA, Inc for CITY OF QUAPAW POTW in Quapaw, OK, with an Effective permit status and a Minor discharger class. The page lists 13 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.