Clean Water Act discharge permit · NPDES COG317254
9255 MALTA TO OTERO, Leadville, CO: NPDES COG317254 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 41Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
9255 MALTA TO OTERO, held by Xcel Energy, holds NPDES permit COG317254, which discharges to Groundwater. EPA’s file records it issued April 23, 2026 and expiring May 31, 2028. 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.
What the register holds for 9255 MALTA TO OTERO: its NPDES ID, its permit type and status, its dates, its address in Leadville, Colorado, its receiving water, and 41 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG317254.
Identity
| Facility as filed | 9255 MALTA TO OTERO |
|---|---|
| Permittee as filed | Xcel Energy |
| NPDES ID | COG317254 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 23, 2026 |
| Expiration date | May 31, 2028 |
| Address | Leadville, CO 80461 |
| Receiving water | Groundwater |
| Subwatershed | Big Union Creek (HUC 110200010207) |
| SIC | 1623 – Water, Sewer, And Utility Lines |
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
- 41Pollutants on file
- 41Under 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 |
|---|---|---|---|---|---|
| Manganese, dissolved [as Mn] | 3 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Iron, total recoverable | 2 | 0 | 0 | ||
| Selenium, total recoverable | 2 | 0 | 0 | ||
| Thallium, total recoverable | 2 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 0 | 0 | ||
| Barium, total recoverable | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Nickel, total recoverable | 2 | 0 | 0 | ||
| Silver total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Aluminum, total recoverable | 2 | 0 | 0 | ||
| Cadmium, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Molybdenum, total recoverable | 2 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 0 | 0 | ||
| Antimony, total recoverable | 2 | 0 | 0 | ||
| Zinc, potentially dissolved | 2 | 0 | 0 | ||
| Silver, potentially dissolved | 2 | 0 | 0 | ||
| Copper, potentially dissolved | 2 | 0 | 0 | ||
| Arsenic, potentially dissolved | 2 | 0 | 0 | ||
| Cadmium, potentially dissolvd | 2 | 0 | 0 | ||
| Chromium, trivalent, potentially dissolvd | 2 | 0 | 0 | ||
| Lead, potentially dissolvd | 2 | 0 | 0 | ||
| Manganese, potentially dissolvd | 2 | 0 | 0 | ||
| Nickel, potentially dissolvd | 2 | 0 | 0 | ||
| Selenium, potentially dissolvd | 2 | 0 | 0 | ||
| Thallium, potentially dissolvd | 2 | 0 | 0 | ||
| Uranium, potentially dissolvd | 2 | 0 | 0 | ||
| Chromium, trivalent total recoverable | 2 | 0 | 0 | ||
| Uranium, total | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Solids, total dissolved | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| Arsenic, dissolved [as As] | 1 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Uranium, dissolved | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG317254.
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 COG317254.
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
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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 COG317254 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.