Clean Water Act discharge permit · NPDES COG590114
PLATTE CANYON SCHOOL DISTRICT 1 WWTF, Park County, CO: NPDES COG590114 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 37Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
PLATTE CANYON SCHOOL DISTRICT 1 WWTF, held by Platte Canyon School Dist 1, holds NPDES permit COG590114, which discharges to North Fork South Platte River. EPA’s file records it issued March 6, 2024 and expiring December 31, 2028. 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 | PLATTE CANYON SCHOOL DISTRICT 1 WWTF |
|---|---|
| Permittee as filed | Platte Canyon School Dist 1 |
| NPDES ID | COG590114 |
| 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, 2024 |
| Expiration date | December 31, 2028 |
| Address | Park County, CO 80421 |
| Receiving water | North Fork South Platte River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bailey (HUC 101900020204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 37Pollutants on file
- 37Under a numeric limit
- 4With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Copper, potentially dissolved | 4 | 32 | 32 | August 31, 2025 | 276% over the limit |
| BOD, 5-day, percent removal | 1 | 5 | 5 | June 30, 2026 | 113% over the limit |
| E. coli | 2 | 2 | 2 | May 31, 2026 | 18% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 1 | 1 | April 30, 2026 | 3% over the limit |
| Solids, total suspended | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Manganese, dissolved [as Mn] | 3 | 0 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 0 | 0 | ||
| Zinc, potentially dissolved | 2 | 0 | 0 | ||
| Silver, potentially dissolved | 2 | 0 | 0 | ||
| Cadmium, 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 | ||
| Uranium, potentially dissolvd | 2 | 0 | 0 | ||
| Chloride [as Cl] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Iron, total recoverable | 1 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Molybdenum, total recoverable | 1 | 0 | 0 | ||
| Arsenic, potentially dissolved | 1 | 0 | 0 | ||
| Chromium, trivalent, potentially dissolvd | 1 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Chromium, trivalent total recoverable | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| Mercury, total [low level] | 1 | 0 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 1 | 0 | 0 | ||
| Sulfate | 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 COG590114.
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 COG590114 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.