Clean Water Act discharge permit · NPDES COX631017
YUMA CITY OF, Yuma County, CO: NPDES COX631017 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
YUMA CITY OF, held by Yuma City of, holds NPDES permit COX631017, which discharges to Groundwater. EPA’s file records it issued April 27, 2009 and expiring April 30, 2012. 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 | YUMA CITY OF |
|---|---|
| Permittee as filed | Yuma City of |
| NPDES ID | COX631017 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 27, 2009 |
| Expiration date | April 30, 2012 |
| Address | Yuma County, CO 80759 |
| Receiving water | Groundwater |
| Subwatershed | Town of Schramm (HUC 102500020701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 14Under a numeric limit
- 6With a violation of any kind
- 6With 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 dissolved | 1 | 39 | 39 | October 31, 2023 | 31% over the limit |
| Coliform, total general | 3 | 16 | 16 | December 31, 2022 | 4,650% over the limit |
| Nitrogen, inorganic total | 1 | 7 | 7 | February 28, 2023 | 111% over the limit |
| Nitrite + Nitrate total [as N] | 1 | 3 | 3 | December 31, 2014 | 109% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 1 | 1 | July 31, 2025 | 43% over the limit |
| Solids, total suspended | 4 | 1 | 1 | August 31, 2013 | 6% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oil and grease | 2 | 0 | 0 | ||
| Chloride [as Cl] | 1 | 0 | 0 | ||
| Sulfate, total [as SO4] | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 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 COX631017.
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, COX631017.
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 COX631017 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.