Clean Water Act discharge permit · NPDES COG590006
RIVERBEND SUBDIVISION, New Castle, CO: NPDES COG590006 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
RIVERBEND SUBDIVISION, held by Riverbend Water and Sewer Co, holds NPDES permit COG590006, which discharges to Colorado River. EPA’s file records it issued March 12, 2024 and expiring December 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.
Identity
| Facility as filed | RIVERBEND SUBDIVISION |
|---|---|
| Permittee as filed | Riverbend Water and Sewer Co |
| NPDES ID | COG590006 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 12, 2024 |
| Expiration date | December 31, 2028 |
| Address | New Castle, CO 81647 |
| Receiving water | Colorado River |
| Subwatershed | South Canyon Creek-Colorado River (HUC 140100050102) |
| SIC | 6552 – Subdividers And Developers |
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
- 18Pollutants on file
- 18Under a numeric limit
- 18With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Arsenic, total recoverable | 2 | 17 | 11 | July 31, 2026 | 6,400% over the limit |
| Temperature, water deg. centigrade | 8 | 9 | 7 | March 31, 2026 | 80% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 39 | 3 | February 28, 2026 | 40% over the limit |
| Solids, total suspended | 4 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 24 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 12 | 0 | ||
| pH | 2 | 12 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 12 | 0 | ||
| E. coli | 2 | 12 | 0 | ||
| Solids, total dissolved | 4 | 8 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 6 | 0 | ||
| Chloride [as Cl] | 1 | 6 | 0 | ||
| Oil and grease | 1 | 6 | 0 | ||
| Chlorine, total residual | 1 | 6 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 1 | 6 | 0 | ||
| BOD, 5-day, percent removal | 1 | 6 | 0 | ||
| Sulfate | 1 | 6 | 0 | ||
| Oil and grease visual | 1 | 6 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 6, 2026 | Monitoring Violations - Frequency of Sampling Violation | 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, COG590006.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 COG590006 there.
Nearby on the register
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- Every permit record in New Castle, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.