Clean Water Act discharge permit · NPDES NE0049131
CROFTON WASTEWATER TREATMENT FACILITY, Crofton, NE: NPDES NE0049131 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 23Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CROFTON WASTEWATER TREATMENT FACILITY, held by CROFTON WWTF, holds NPDES permit NE0049131, which discharges to Trib-Mo River. EPA’s file records it issued September 6, 2017 and expiring September 30, 2022.
CROFTON WASTEWATER TREATMENT FACILITY, Crofton, Nebraska: Individual permit NE0049131, held by CROFTON WWTF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 6, 2017, term to September 30, 2022; discharges to TRIB-MO RIVER; Sewage Treatment Facilities.
- Solids, total suspended: 5 limits, 112 violations of any kind, 31 effluent exceedances, latest September 30, 2025, largest 375% over the limit.
- Nitrogen, ammonia total [as N]: 12 limits, 97 violations of any kind, 31 effluent exceedances, latest January 31, 2024, largest 1,186% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 5 limits, 78 violations of any kind, 13 effluent exceedances, latest January 31, 2025, largest 257% over the limit.
- pH: 4 limits, 44 violations of any kind, 7 effluent exceedances, latest September 30, 2020.
- E. coli, MTEC-MF: 2 limits, 11 violations of any kind, 5 effluent exceedances, latest July 31, 2021, largest 4,027% over the limit.
- Oxygen, dissolved [DO]: 0 limits, 8 violations of any kind, 5 effluent exceedances, latest July 31, 2001, largest 80% over the limit.
- Flow, in conduit or thru treatment plant: 3 limits, 25 violations of any kind, 0 effluent exceedances.
- Coliform, fecal general: 0 limits, 18 violations of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 2 limits, 10 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 2 limits, 10 violations of any kind, 0 effluent exceedances.
- Solids, sludge, total, dry weight: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Selenium, sludge solid: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Arsenic, sludge tot. dry wt [as As]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Nitrogen [as NO3] sludge solid: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Nitrogen, sludge, total, dry weight [as N]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Copper, sludge, total, dry weight [as Cu]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Cadmium, sludge, total, dry weight [as Cd]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia, sludge, tot dry wgt: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 2 limits, 6 violations of any kind, 0 effluent exceedances.
- Nickel, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Chromium, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Ceriodaphnia dubia: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Pimephales promelas [Fathead Minnow]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Nebraska holds 254 Publicly owned treatment works coverages of this permit type in EPA’s file; 107 were issued before NE0049131.
Coverages issued nearest NE0049131
- September 1, 2017: EAGLE WASTEWATER TREATMENT FACILITY, Eagle, NE0112062, held by EAGLE WWTF
- September 6, 2017: DORCHESTER WASTEWATER TREATMENT FACILITY, Dorchester, NE0021539, held by DORCHESTER WWTF
- September 6, 2017: SHUBERT WASTEWATER TREATMENT FACILITY, Shubert, NE0021725, held by SHUBERT WWTF
- September 6, 2017: DAKOTA CITY WASTEWATER TREATMENT FACILITY, Dakota City, NE0024236, held by DAKOTA CITY WWTF
- September 6, 2017: CENTRAL CITY WWTF, Central City, NE0025445
- September 7, 2017: ADAMS WASTEWATER TREATMENT FACILITY, Adams, NE0045055, held by ADAMS WWTF
- September 8, 2017: GREENWOOD INTERCHANGE SID WWTF, Greenwood, NE0112950, held by SID 2 CASS GREENWOOD INTRCHNGE
- September 12, 2017: PALMER WASTEWATER TREATMENT FACILITY, Palmer, NE0031259, held by PALMER WWTF
- September 12, 2017: GENEVA WASTEWATER TREATMENT FACILITY, Geneva, NE0031763, held by GENEVA WWTF
- September 12, 2017: GREELEY WASTEWATER TREATMENT FACILITY, Greeley, NE0049212, held by GREELEY WWTF
CROFTON WASTEWATER TREATMENT FACILITY among its neighbors
EPA’s permit file holds 1 discharge permits in the Headwaters Beaver Creek subwatershed (HUC 101701011201), NE0049131 among them. Its county holds 18, 0 of them major permits; NE0049131 is a minor permit.
Identity
| Facility as filed | CROFTON WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | CROFTON WWTF |
| NPDES ID | NE0049131 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 6, 2017 |
| Expiration date | September 30, 2022 |
| Address | Crofton, NE 68730 |
| Receiving water | TRIB-MO RIVER |
| Subwatershed | Headwaters Beaver Creek (HUC 101701011201) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 33Pollutants on file
- 23Under a numeric limit
- 33With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 112 | 31 | September 30, 2025 | 375% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 97 | 31 | January 31, 2024 | 1,186% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 78 | 13 | January 31, 2025 | 257% over the limit |
| pH | 4 | 44 | 7 | September 30, 2020 | |
| E. coli, MTEC-MF | 2 | 11 | 5 | July 31, 2021 | 4,027% over the limit |
| Oxygen, dissolved [DO] | 0 | 8 | 5 | July 31, 2001 | 80% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 25 | 0 | ||
| Coliform, fecal general | 0 | 18 | 0 | ||
| Nitrogen, total [as N] | 2 | 10 | 0 | ||
| Phosphorus, total [as P] | 2 | 10 | 0 | ||
| Solids, sludge, total, dry weight | 1 | 8 | 0 | ||
| Selenium, sludge solid | 1 | 7 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 1 | 7 | 0 | ||
| Nitrogen [as NO3] sludge solid | 1 | 7 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 7 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 1 | 7 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 1 | 7 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 1 | 7 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 1 | 7 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 1 | 7 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 1 | 7 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 1 | 7 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 1 | 7 | 0 | ||
| Nitrogen, ammonia, sludge, tot dry wgt | 1 | 7 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 6 | 0 | ||
| Nickel, total recoverable | 0 | 4 | 0 | ||
| Zinc, total recoverable | 0 | 4 | 0 | ||
| Cadmium, total recoverable | 0 | 4 | 0 | ||
| Lead, total recoverable | 0 | 4 | 0 | ||
| Chromium, total recoverable | 0 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 2 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 2 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NE0049131.
Inspections
EPA’s inspection file holds no inspection for NPDES NE0049131.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES NE0049131.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.