NPDES COG590107 · Clean Water Act
B AND B MHP AND RV PARK, Longmont, CO: NPDES COG590107 discharge permit, effluent exceedances, inspections, penalties
B AND B MHP AND RV PARK, Longmont, Colorado: General permit coverage COG590107, held by B and B MHP and RV Park; Administratively continued; issued March 29, 2022, term to March 31, 2026; discharges to Boulder Creek.
- Nitrogen, ammonia total [as N]: 2 limits, 27 violations of any kind, 21 effluent exceedances, latest June 30, 2026, largest 183% over the limit.
- Solids, total suspended: 4 limits, 15 violations of any kind, 3 effluent exceedances, latest February 28, 2025, largest 80% over the limit.
- E. coli: 2 limits, 9 violations of any kind, 3 effluent exceedances, latest June 30, 2023, largest 860% over the limit.
- BOD, 5-day, 20 deg. C: 6 limits, 18 violations of any kind.
- Flow, in conduit or thru treatment plant: 4 limits, 12 violations of any kind.
- Plant capacity fact. percent of capacity: 2 limits, 6 violations of any kind.
- pH: 2 limits, 6 violations of any kind.
- BOD, carbonaceous [5 day, 20 C]: 2 limits, 6 violations of any kind.
- Arsenic, total recoverable: 1 limit, 3 violations of any kind.
- Oil and grease: 1 limit, 3 violations of any kind.
- Chlorine, total residual: 1 limit, 3 violations of any kind.
- BOD, 5-day, percent removal: 1 limit, 3 violations of any kind.
- Solids, suspended percent removal: 1 limit, 3 violations of any kind.
- Oil and grease visual: 1 limit, 3 violations of any kind.
- August 21, 2026: Letter of Violation/ Warning Letter (State).
- 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).
- April 2, 2026: Evaluation (S).
- April 2, 2026: Evaluation (S).
B AND B MHP AND RV PARK among its neighbors
32 discharge permits are in the Outlet Boulder Creek subwatershed (HUC 101900050705); COG590107 is one. Its county: 780, 13 major; COG590107 is minor permit.
Other permits in the Outlet Boulder Creek subwatershed (HUC 101900050705)
- B & B MOBILE HOME & RV PARK, Weld County: COG588107, minor, term to 2010-05-31
- BLACK ROCK COFFEE - ERIE, Erie: COR431584, minor, term to 2029-03-31
- BLAKE'S SMALL CAR SALVAGE, Erie: COR900736, minor, term to 2017-06-30
- COLLIER'S HILL WCR 5 WIDENING & RAW WATERLINE, Erie: COR412566, minor, term to 2024-03-31
- COLLIERS HILL FILING 4G-RAH, Erie: COR412138, minor, term to 2024-03-31
- COLLIERS HILL FILING 6, Erie: COR428898, minor, term to 2029-03-31
- COLLIERS HILL FILING 6-DW, Erie: COG081408, minor, term to 2028-05-31
- COLLIERS HILL FILING NO 4F, Erie: COR407098, minor, term to 2024-03-31
- COTTONWOOD PIT, Longmont: COG501579, minor, term to 2014-09-30
- DISTEL PIT, Longmont: COG501560, minor, term to 2014-09-30
Identity
| Facility | B AND B MHP AND RV PARK |
|---|---|
| Permittee | B and B MHP and RV Park |
| NPDES ID | COG590107 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | March 29, 2022 |
| Expires | March 31, 2026 |
| Address | Longmont, CO 80504 |
| Receiving water | Boulder Creek |
| Subwatershed | Outlet Boulder Creek (HUC 101900050705) |
NPDES COG590107: effluent limits and exceedances
B AND B MHP AND RV PARK (NPDES COG590107): 14 pollutants on file, 14 limited; 14 with a violation of any kind, 3 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, 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 |
NPDES COG590107: inspections, violations and enforcement
NPDES COG590107: 3 single-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 |
NPDES COG590107: 2 inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| April 2, 2026 | Evaluation | S |
| April 2, 2026 | Evaluation | S |
NPDES COG590107: 1 informal enforcement action
| Date | What EPA recorded | Agency |
|---|---|---|
| August 21, 2026 | Letter of Violation/ Warning Letter | State |
NPDES COG590107 (B AND B MHP AND RV PARK): no formal enforcement action on file.
Watch NPDES COG590107
NPDES COG590107: one email when its EPA record changes — $99/month.
Permits near NPDES COG590107
NPDES COG590107: 14 pollutant rows, 6 dated events; ICIS-NPDES download, loaded September 15, 2026.