Clean Water Act discharge permit · NPDES COX631049
GILPIN COUNTY SCHOOL DISTRICT RE-1, Black Hawk, CO: NPDES COX631049 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
GILPIN COUNTY SCHOOL DISTRICT RE-1, held by Gilpin County School Dist RE 1, holds NPDES permit COX631049, which discharges to Groundwater. EPA’s file records it issued February 20, 2013 and expiring April 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GILPIN COUNTY SCHOOL DISTRICT RE-1 |
|---|---|
| Permittee as filed | Gilpin County School Dist RE 1 |
| NPDES ID | COX631049 |
| 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 | February 20, 2013 |
| Expiration date | April 30, 2017 |
| Address | Black Hawk, CO 80422 |
| Receiving water | Groundwater |
| Subwatershed | Last Resort Creek-North Fork South Platte River (HUC 101900020305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 7With a violation of any kind
- 7With 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 | 3 | 59 | 59 | July 31, 2026 | 76% over the limit |
| Nitrogen, inorganic total | 3 | 57 | 57 | February 28, 2026 | 318% over the limit |
| Coliform, total general | 2 | 56 | 56 | July 31, 2026 | 99,999% over the limit |
| pH | 2 | 5 | 5 | October 31, 2024 | |
| BOD, 5-day, 20 deg. C | 7 | 1 | 1 | June 30, 2020 | 33% over the limit |
| Solids, total suspended | 5 | 1 | 1 | July 31, 2023 | 13% over the limit |
| Chloride [as Cl] | 1 | 1 | 1 | May 31, 2026 | 1% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Sulfate, total [as SO4] | 1 | 0 | 0 | ||
| Oil and grease | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 29, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 29, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| January 29, 2020 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| January 29, 2020 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
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, COX631049.
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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 COX631049 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.