Clean Water Act discharge permit · NPDES COG590107
B AND B MHP AND RV PARK, Longmont, CO: NPDES COG590107 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
B AND B MHP AND RV PARK, held by B and B MHP and RV Park, holds NPDES permit COG590107, which discharges to Boulder Creek. EPA’s file records it issued March 29, 2022 and expiring March 31, 2026. 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 | B AND B MHP AND RV PARK |
|---|---|
| Permittee as filed | B and B MHP and RV Park |
| NPDES ID | COG590107 |
| 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 | March 29, 2022 |
| Expiration date | March 31, 2026 |
| Address | Longmont, CO 80504 |
| Receiving water | Boulder Creek |
| Subwatershed | Outlet Boulder Creek (HUC 101900050705) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 14Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 2 | 27 | 21 | June 30, 2026 | 183% over the limit |
| Solids, total suspended | 4 | 15 | 3 | February 28, 2025 | 80% over the limit |
| E. coli | 2 | 9 | 3 | June 30, 2023 | 860% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 6 | 0 | ||
| pH | 2 | 6 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 2 | 6 | 0 | ||
| Arsenic, total recoverable | 1 | 3 | 0 | ||
| Oil and grease | 1 | 3 | 0 | ||
| Chlorine, total residual | 1 | 3 | 0 | ||
| BOD, 5-day, percent removal | 1 | 3 | 0 | ||
| Solids, suspended percent removal | 1 | 3 | 0 | ||
| Oil and grease visual | 1 | 3 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 2, 2026 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| April 2, 2026 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| April 2, 2026 | 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, COG590107.
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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 COG590107 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.