Clean Water Act discharge permit · NPDES COX631075
PUEBLO COUNTY HIGH SCHOOL WWTF, Pueblo, CO: NPDES COX631075 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
PUEBLO COUNTY HIGH SCHOOL WWTF, held by Pueblo County School Dist 70, holds NPDES permit COX631075, which discharges to Groundwater. EPA’s file records it issued March 6, 2017 and expiring April 30, 2019. 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 | PUEBLO COUNTY HIGH SCHOOL WWTF |
|---|---|
| Permittee as filed | Pueblo County School Dist 70 |
| NPDES ID | COX631075 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 6, 2017 |
| Expiration date | April 30, 2019 |
| Address | Pueblo, CO 81006 |
| Receiving water | groundwater |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | 110200021204 (HUC 110200021204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 14With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| Coliform, total general | 2 | 121 | 117 | September 30, 2025 | 109,900% over the limit |
| Nitrogen, inorganic total | 1 | 84 | 82 | July 31, 2026 | 1,144% over the limit |
| Solids, total dissolved | 1 | 40 | 39 | August 31, 2020 | 147% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 202 | 21 | May 31, 2024 | 114% over the limit |
| BOD, 5-day, percent removal | 1 | 10 | 9 | May 31, 2024 | 141% over the limit |
| Solids, total suspended | 4 | 93 | 8 | October 31, 2024 | 67% over the limit |
| pH | 2 | 10 | 8 | April 30, 2022 | |
| Solids, suspended percent removal | 1 | 8 | 7 | August 31, 2020 | 103% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 199 | 5 | October 31, 2023 | 200% over the limit |
| Sulfate, total [as SO4] | 1 | 5 | 3 | June 30, 2026 | 38% over the limit |
| Chloride [as Cl] | 1 | 2 | 1 | September 30, 2025 | 2% over the limit |
| Plant capacity fact. percent of capacity | 0 | 164 | 0 | ||
| Oil and grease | 1 | 1 | 0 | ||
| Oil and grease visual | 1 | 1 | 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 COX631075.
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, COX631075.
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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 COX631075 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.