NPDES AK0053775 · Clean Water Act
DENALI NATIONAL PARK - FRONT COUNTRY WASTEWATER TREATMENT LAGOON, Denali National Park, AK: NPDES AK0053775 discharge permit, effluent exceedances, inspections, penalties
DENALI NATIONAL PARK - FRONT COUNTRY WASTEWATER TREATMENT LAGOON, Denali National Park, Alaska: Individual permit AK0053775, held by DENALI NATIONAL PARK FRONT COUNTRY WASTEWATER TREATMENT LAGOON; Administratively continued; issued July 3, 2019, term to August 31, 2024; discharges to NENANA RIVER.
6 of the 19 pollutants listed for NPDES AK0053775 have no violation or effluent exceedance.
- Solids, total suspended: 5 limits, 40 violations of any kind, 20 effluent exceedances, latest September 30, 2025, largest 833% over the limit.
- Chlorine, total residual: 5 limits, 22 violations of any kind, 10 effluent exceedances, latest July 31, 2018, largest 2,103% over the limit.
- Fecal coliform, MPN, EC med, 44.5 C: 2 limits, 18 violations of any kind, 9 effluent exceedances, latest September 30, 2018, largest 79,963% over the limit.
- BOD, carbonaceous [5 day, 5 C]: 5 limits, 25 violations of any kind, 6 effluent exceedances, latest July 31, 2017, largest 96% over the limit.
- Solids, suspended percent removal: 1 limit, 9 violations of any kind, 4 effluent exceedances, latest July 31, 2018, largest 407% over the limit.
- pH: 2 limits, 10 violations of any kind, 3 effluent exceedances, latest August 31, 2022.
- Nitrogen, ammonia total [as N]: 5 limits, 8 violations of any kind, 2 effluent exceedances, latest June 30, 2024, largest 1,660% over the limit.
- BOD, carbonaceous, percent removal: 1 limit, 6 violations of any kind, 2 effluent exceedances, latest September 30, 2014, largest 107% over the limit.
- Floating solids, waste or visible foam-visual: 1 limit, 4 violations of any kind, 1 effluent exceedance, latest July 31, 2012.
- Oil and grease visual: 0 limits, 3 violations of any kind, 1 effluent exceedance, latest July 31, 2012, largest 2,147,483,650% over the limit.
- Flow, in conduit or thru treatment plant: 1 limit, 3 violations of any kind.
- Temperature, water deg. centigrade: 0 limits, 2 violations of any kind.
- Coliform, fecal - % samples exceeding limit: 1 limit, 1 violation of any kind.
- Oxygen, dissolved [DO]: 1 limit.
- Nitrogen, Kjeldahl, total [as N]: 1 limit.
- Nitrite + Nitrate total [as N]: 1 limit.
- Phosphorus, total [as P]: 1 limit.
- Oil and grease: 1 limit.
- Solids, total dissolved: 1 limit.
- August 3, 2026: Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment (EP6).
DENALI NATIONAL PARK - FRONT COUNTRY WASTEWATER TREATMENT LAGOON among its neighbors
Its county: 33, 2 major; AK0053775 is minor permit.
Other permits in the county
- ALASKA WASTE HEALY, Healy: AKNOE0189, minor, term to 2023-08-24
- BATES TOTATLANIKA RIVER DRAINAGE MINE SITE, Healy: AKG370D63, minor, term to 2026-02-28
- CLR046-048 REPAIR WATER AND WASTEWATER SYSTEMS, Clear: AKR10GN75, minor, term to 2026-01-31
- CRIPPLE CREEK PIT RECLAMATION PHASE I 52959-3, Healy: AKR10GI14, minor, term to 2026-01-31
- CRIPPLE CREEK PIT RECLAMATION PHASE II, Healy: AKR10H0M8, minor, term to 2026-01-31
- CRIPPLE CREEK PIT RECLAMATION PHASE II, Healy: AKR10H0M9, minor, term to 2031-01-31
- CRIPPLE CREEK ROAD STABILIZATION & COAL CREEK CROSSING PROJECT NO. 52959-5, Healy: AKR10H0AA, minor, term to 2026-01-31
- DENALI GRIZZLY BEAR RESORT WWTF, Denali: AKG572012, minor, term to 2022-09-30
- DENALI PARK VILLAGE RESORT WWTF, Denali: AKG572059, minor, term to 2027-12-31
- DENALI PRINCESS LODGE WTP, Denali Park: AKG380008, minor, term to 2029-09-30
Identity
| Facility | DENALI NATIONAL PARK - FRONT COUNTRY WASTEWATER TREATMENT LAGOON |
|---|---|
| Permittee | DENALI NATIONAL PARK FRONT COUNTRY WASTEWATER TREATMENT LAGOON |
| NPDES ID | AK0053775 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Federal facility |
| Issued | July 3, 2019 |
| Expires | August 31, 2024 |
| Address | Denali National Park, AK 99755 |
| Receiving water | NENANA RIVER |
NPDES AK0053775: effluent limits and exceedances
DENALI NATIONAL PARK - FRONT COUNTRY WASTEWATER TREATMENT LAGOON (NPDES AK0053775): 19 pollutants on file, 17 limited; 13 with a violation of any kind, 10 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 40 | 20 | September 30, 2025 | 833% over the limit |
| Chlorine, total residual | 5 | 22 | 10 | July 31, 2018 | 2,103% over the limit |
| Fecal coliform, MPN, EC med, 44.5 C | 2 | 18 | 9 | September 30, 2018 | 79,963% over the limit |
| BOD, carbonaceous [5 day, 5 C] | 5 | 25 | 6 | July 31, 2017 | 96% over the limit |
| Solids, suspended percent removal | 1 | 9 | 4 | July 31, 2018 | 407% over the limit |
| pH | 2 | 10 | 3 | August 31, 2022 | |
| Nitrogen, ammonia total [as N] | 5 | 8 | 2 | June 30, 2024 | 1,660% over the limit |
| BOD, carbonaceous, percent removal | 1 | 6 | 2 | September 30, 2014 | 107% over the limit |
| Floating solids, waste or visible foam-visual | 1 | 4 | 1 | July 31, 2012 | |
| Oil and grease visual | 0 | 3 | 1 | July 31, 2012 | 2,147,483,650% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 3 | 0 | ||
| Temperature, water deg. centigrade | 0 | 2 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Solids, total dissolved | 1 | 0 | 0 |
NPDES AK0053775: inspections, violations and enforcement
NPDES AK0053775: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| August 3, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | EP6 |
NPDES AK0053775 (DENALI NATIONAL PARK - FRONT COUNTRY WASTEWATER TREATMENT LAGOON): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES AK0053775
NPDES AK0053775: one email when its EPA record changes — $99/month.
Permits near NPDES AK0053775
NPDES AK0053775: 19 pollutant rows, 1 dated events; ICIS-NPDES download, loaded September 15, 2026.