Clean Water Act discharge permit · NPDES COG641090
SPURGEON WTP, Boulder County, CO: NPDES COG641090 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
SPURGEON WTP, held by Left Hand Water District, holds NPDES permit COG641090, which discharges to Left Hand Creek. EPA’s file records it issued January 11, 2006 and expiring October 31, 2010. 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 | SPURGEON WTP |
|---|---|
| Permittee as filed | Left Hand Water District |
| NPDES ID | COG641090 |
| 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 | January 11, 2006 |
| Expiration date | October 31, 2010 |
| Address | Boulder County, CO 80503 |
| Receiving water | LEFT HAND CREEK |
| Subwatershed | Boulder Reservoir (HUC 101900050704) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 4With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 4 | 4 | December 31, 2012 | 689% over the limit |
| pH | 2 | 1 | 1 | December 31, 2011 | |
| Fluoride, total [as F] | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Solids, total suspended | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COG641090.
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 COG641090 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.