Clean Water Act discharge permit · NPDES OK0100404
COLLINSVILLE WTP, City Of Collinsville, OK: NPDES OK0100404 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
COLLINSVILLE WTP, held by Collinsville WTP, holds NPDES permit OK0100404, which discharges to 121400010040_00 Collinsville Lake. EPA’s file records it issued February 15, 2021 and expiring February 28, 2026. 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 | COLLINSVILLE WTP |
|---|---|
| Permittee as filed | Collinsville WTP |
| NPDES ID | OK0100404 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 15, 2021 |
| Expiration date | February 28, 2026 |
| Issuing agency | ODEQ |
| Address | City Of Collinsville, OK 74021 |
| Receiving water | 121400010040_00 Collinsville Lake |
| Subwatershed | Hobbs Creek-Caney Creek (HUC 110701060711) |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
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
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 61 | 16 | December 31, 2024 | 845% over the limit |
| Manganese, dissolved [as Mn] | 3 | 48 | 3 | July 31, 2017 | 237% over the limit |
| Iron, dissolved [as Fe] | 3 | 47 | 2 | May 31, 2022 | 300% over the limit |
| Chlorine, total residual | 2 | 26 | 2 | May 31, 2026 | 213% over the limit |
| Aluminum, dissolved [as Al] | 3 | 46 | 1 | May 31, 2022 | 136% over the limit |
| pH | 2 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 13 | 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 OK0100404.
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, OK0100404.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 OK0100404 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.