Clean Water Act discharge permit · NPDES OKP003035

POWDER RIVER, Oklahoma City, OK: NPDES OKP003035 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
3Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

POWDER RIVER holds NPDES permit OKP003035, which discharges to Valley Brook, Town Of-Potw. EPA’s file records it issued March 21, 2003 and expiring March 31, 2008. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	POWDER RIVER
Permittee as filed	POWDER RIVER
NPDES ID	OKP003035
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual industrial user permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	March 21, 2003
Expiration date	March 31, 2008
Address	Oklahoma City, OK 73149
Receiving water	VALLEY BROOK, TOWN OF-POTW
SIC	3523 – Farm Machinery And Equipment

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

15Pollutants on file
3Under a numeric limit
15With a violation of any kind
2With 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
Flow, in conduit or thru treatment plant	4	39	5	July 31, 2003	151% over the limit
Temperature, water deg. fahrenheit	1	21	4	July 31, 2006	883% over the limit
pH	2	34	0
Cyanide, total [as CN]	0	28	0
Silver, total [as Ag]	0	28	0
Cadmium, total [as Cd]	0	26	0
Chromium, total [as Cr]	0	26	0
Copper, total [as Cu]	0	26	0
Lead, total [as Pb]	0	26	0
Nickel, total [as Ni]	0	26	0
Zinc, total [as Zn]	0	26	0
Phthalate esters	0	18	0
Total toxic organics [TTO] [40 CFR433]	0	6	0
Butyl benzyl phthalate	0	2	0
Di[2-ethylhexyl] phthalate [DEHP]	0	2	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 OKP003035.

Inspections

EPA’s inspection file holds no inspection for NPDES OKP003035.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES OKP003035.

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, OKP003035.

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 OKP003035 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit OKP003035 held by POWDER RIVER in Oklahoma City, OK, which discharges to Valley Brook, Town Of-Potw, with its status shown as administratively continued. The page lists 15 pollutants on file, 3 of them under a numeric limit, 15 with a violation of any kind, and 2 with an effluent exceedance.