Clean Water Act discharge permit · NPDES NE0112267
AINSWORTH WASTEWATER TREATMENT FACILITY, Ainsworth, NE: NPDES NE0112267 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
AINSWORTH WASTEWATER TREATMENT FACILITY, held by AINSWORTH WWTF, holds NPDES permit NE0112267, which discharges to Bone Creek. EPA’s file records it issued September 28, 2016 and expiring September 30, 2021.
AINSWORTH WASTEWATER TREATMENT FACILITY, Ainsworth, Nebraska: Individual permit NE0112267, held by AINSWORTH WWTF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 28, 2016, term to September 30, 2021; discharges to BONE CREEK.
- Coliform, fecal general: 0 limits, 32 violations of any kind, 26 effluent exceedances, latest August 31, 2009, largest 37,400% over the limit.
- Nitrogen, ammonia total [as N]: 12 limits, 43 violations of any kind, 11 effluent exceedances, latest October 31, 2022, largest 179% over the limit.
- Solids, total suspended: 6 limits, 30 violations of any kind, 2 effluent exceedances, latest March 31, 2022, largest 77% over the limit.
- E. coli, MTEC-MF: 2 limits, 4 violations of any kind, 2 effluent exceedances, latest May 31, 2022, largest 1,820% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 29 violations of any kind, 1 effluent exceedance, latest February 28, 2022, largest 8% over the limit.
- pH: 5 limits, 17 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 4 limits, 15 violations of any kind, 0 effluent exceedances.
- Solids, sludge, total, dry weight: 1 limit, 6 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Copper, sludge, total, dry weight [as Cu]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Cadmium, sludge, total, dry weight [as Cd]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia, sludge, tot dry wgt: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Priority pollutants scan [yes/no]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Nitrogen, sludge, total, dry weight [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Nitrate nitrogen, dry weight: 0 limits, 1 violation of any kind, 0 effluent exceedances.
- Selenium, sludge, total, dry weight [as Se]: 0 limits, 1 violation of any kind, 0 effluent exceedances.
- Arsenic total, dry weight, sludge: 0 limits, 1 violation of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Selenium, sludge solid: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Arsenic, sludge tot. dry wt [as As]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen [as NO3] sludge solid: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Nebraska holds 254 Publicly owned treatment works coverages of this permit type in EPA’s file; 62 were issued before NE0112267.
Coverages issued nearest NE0112267
- September 23, 2016: CARDWELL RESERVE WASTEWATER TREATMENT FACILITY, Lincoln, NE0137596, held by CARDWELL RESERVE
- September 27, 2016: PLYMOUTH WASTEWATER TREATMENT FACILITY, Plymouth, NE0040894, held by PLYMOUTH WWTF
- September 27, 2016: DWIGHT WASTEWATER TREATMENT FACILITY, Dwight, NE0046175, held by DWIGHT WWTF
- September 28, 2016: WYMORE WASTEWATER TREATMENT FACILITY, Wymore, NE0021130, held by WYMORE WWTF
- September 28, 2016: EDISON WASTEWATER TREATMENT FACILITY, Edison, NE0023817, held by EDISON WWTF
- December 7, 2016: PRAGUE WWTP, Prague, NE0046272, held by Prague Wastewater Treatment Facility
- December 13, 2016: SCRIBNER WASTEWATER TREATMENT FACILITY, Scribner, NE0023787, held by SCRIBNER WWTF
- December 13, 2016: HUMBOLDT WASTEWATER TREATMENT FACILITY, Humboldt, NE0031844, held by HUMBOLDT WWTF
- December 13, 2016: MADRID WWTF, Madrid, NE0139289, held by Madrid Wastewater Treatment Facility
- December 19, 2016: MADISON WASTEWATER TREATMENT FACILITY, Madison, NE0049174, held by MADISON WWTF
AINSWORTH WASTEWATER TREATMENT FACILITY among its neighbors
EPA’s permit file holds 4 discharge permits in the Middle Bone Creek subwatershed (HUC 101500041203), NE0112267 among them. Its county holds 6, 0 of them major permits; NE0112267 is a minor permit.
Other permits in the Middle Bone Creek subwatershed (HUC 101500041203)
- LDO, LLC, Ainsworth: NEG021079, minor permit, permit term to March 31, 2026
- ROLLING STONE LAND & CATTLE II, LLC, Ainsworth: NEG020042, minor permit, permit term to March 31, 2025
- ROLLING STONE LAND & CATTLE, LLC, Ainsworth: NEG023093, minor permit, permit term to March 31, 2028
Identity
| Facility as filed | AINSWORTH WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | AINSWORTH WWTF |
| NPDES ID | NE0112267 |
| 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 28, 2016 |
| Expiration date | September 30, 2021 |
| Address | Ainsworth, NE 69210 |
| Receiving water | BONE CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Middle Bone Creek (HUC 101500041203) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 29Pollutants on file
- 24Under a numeric limit
- 24With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 0 | 32 | 26 | August 31, 2009 | 37,400% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 43 | 11 | October 31, 2022 | 179% over the limit |
| Solids, total suspended | 6 | 30 | 2 | March 31, 2022 | 77% over the limit |
| E. coli, MTEC-MF | 2 | 4 | 2 | May 31, 2022 | 1,820% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 29 | 1 | February 28, 2022 | 8% over the limit |
| pH | 5 | 17 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 15 | 0 | ||
| Solids, sludge, total, dry weight | 1 | 6 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 1 | 4 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 1 | 4 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 1 | 4 | 0 | ||
| Nitrogen, ammonia, sludge, tot dry wgt | 1 | 4 | 0 | ||
| Priority pollutants scan [yes/no] | 1 | 3 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 2 | 0 | ||
| Copper, total recoverable | 0 | 2 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 1 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 1 | 1 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 1 | 1 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 1 | 1 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 1 | 1 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 1 | 1 | 0 | ||
| Nitrate nitrogen, dry weight | 0 | 1 | 0 | ||
| Selenium, sludge, total, dry weight [as Se] | 0 | 1 | 0 | ||
| Arsenic total, dry weight, sludge | 0 | 1 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Selenium, sludge solid | 1 | 0 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 1 | 0 | 0 | ||
| Nitrogen [as NO3] sludge solid | 1 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NE0112267.
Inspections
EPA’s inspection file holds no inspection for NPDES NE0112267.
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 NE0112267.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.