NPDES CO0048945 · Clean Water Act
NUCLA WWTF, Nucla, CO: NPDES CO0048945 discharge permit, effluent exceedances, inspections, penalties
NUCLA WWTF, Nucla, Colorado: Individual permit CO0048945, held by Nucla Town of; Publicly owned treatment works; Administratively continued; issued December 29, 2017, term to January 31, 2023; discharges to Calamity Draw.
- E. coli: 4 limits, 80 violations of any kind, 20 effluent exceedances, latest February 28, 2022, largest 3,927% over the limit.
- BOD, 5-day, 20 deg. C: 10 limits, 166 violations of any kind, 14 effluent exceedances, latest April 30, 2022, largest 103% over the limit.
- Solids, total suspended: 6 limits, 94 violations of any kind, 4 effluent exceedances, latest April 30, 2022, largest 45% over the limit.
- Flow, in conduit or thru treatment plant: 29 limits, 93 violations of any kind, 1 effluent exceedance, latest September 30, 2019, largest 5% over the limit.
- Temperature, water deg. centigrade: 26 limits, 76 violations of any kind.
- Chlorine, total residual: 4 limits, 62 violations of any kind.
- Nitrogen, ammonia total [as N]: 74 limits, 60 violations of any kind.
- pH: 4 limits, 60 violations of any kind.
- Solids, total dissolved: 6 limits, 32 violations of any kind.
- Plant capacity fact. percent of capacity: 2 limits, 30 violations of any kind.
- Nitrogen, inorganic total: 2 limits, 30 violations of any kind.
- Oil and grease: 2 limits, 30 violations of any kind.
- BOD, 5-day, percent removal: 2 limits, 30 violations of any kind.
- Oil and grease visual: 2 limits, 30 violations of any kind.
- August 24, 2020: Management Practice Violations - Improper Operation and Maintenance (ST6).
- August 24, 2020: Management Practice Violations - Failure to Maintain Records (ST6).
- August 24, 2020: Monitoring Violations - Improper Analysis or Lab Error (ST6).
Colorado holds 206 Publicly owned treatment works coverages of this permit type in EPA’s file; 195 were issued before CO0048945. Nucla Town of holds 2 permits in Colorado.
Other permits held by Nucla Town of
- NUCLA WWTF, Nucla: COG589067, issued 2008-10-01
Coverages issued nearest CO0048945
- 2015-01-30: ASPEN CONSOLIDATED SAN DISTRCT, Aspen: CO0026387, held by Aspen Consolidated Sanitation District
- 2015-10-30: VAIL WWTF, Vail: CO0021369, held by Eagle River WSD
- 2016-03-23: BERTHOUD REGIONAL WWTF, Berthoud: CO0048998, held by Berthoud Town of
- 2016-03-25: NORTHERN TREATMENT PLANT, Brighton: CO0048959, held by Metro Water Recovery
- 2017-11-09: SUIT WWTP, Ignacio: CO0022853, held by SOUTHERN UTE INDIAN TRIBE(E)
NUCLA WWTF among its neighbors
2 discharge permits are in the Bucktail Creeks-San Miguel River subwatershed (HUC 140300030702); CO0048945 is one. Its county: 168, 1 major; CO0048945 is minor permit.
Other permits in the Bucktail Creeks-San Miguel River subwatershed (HUC 140300030702)
- KICHELMANN ONE, Nucla: COR423954, minor, term to 2029-03-31
Identity
| Facility | NUCLA WWTF |
|---|---|
| Permittee | Nucla Town of |
| NPDES ID | CO0048945 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 29, 2017 |
| Expires | January 31, 2023 |
| Address | Nucla, CO 81424 |
| Receiving water | Calamity Draw |
| Subwatershed | Bucktail Creeks-San Miguel River (HUC 140300030702) |
NPDES CO0048945: effluent limits and exceedances
NUCLA WWTF (NPDES CO0048945): 14 pollutants on file, 14 limited; 14 with a violation of any kind, 4 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| E. coli | 4 | 80 | 20 | February 28, 2022 | 3,927% over the limit |
| BOD, 5-day, 20 deg. C | 10 | 166 | 14 | April 30, 2022 | 103% over the limit |
| Solids, total suspended | 6 | 94 | 4 | April 30, 2022 | 45% over the limit |
| Flow, in conduit or thru treatment plant | 29 | 93 | 1 | September 30, 2019 | 5% over the limit |
| Temperature, water deg. centigrade | 26 | 76 | 0 | ||
| Chlorine, total residual | 4 | 62 | 0 | ||
| Nitrogen, ammonia total [as N] | 74 | 60 | 0 | ||
| pH | 4 | 60 | 0 | ||
| Solids, total dissolved | 6 | 32 | 0 | ||
| Plant capacity fact. percent of capacity | 2 | 30 | 0 | ||
| Nitrogen, inorganic total | 2 | 30 | 0 | ||
| Oil and grease | 2 | 30 | 0 | ||
| BOD, 5-day, percent removal | 2 | 30 | 0 | ||
| Oil and grease visual | 2 | 30 | 0 |
NPDES CO0048945: inspections, violations and enforcement
NPDES CO0048945: 3 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 24, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 24, 2020 | Management Practice Violations - Failure to Maintain Records | ST6 |
| August 24, 2020 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
NPDES CO0048945 (NUCLA WWTF): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES CO0048945
NPDES CO0048945: one email when its EPA record changes — $99/month.
Permits near NPDES CO0048945
NPDES CO0048945: 14 pollutant rows, 3 dated events; ICIS-NPDES download, loaded September 15, 2026.