Clean Water Act discharge permit · NPDES NE0112283
RIVERSIDE LAKE SID WWTF, Waterloo, NE: NPDES NE0112283 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
RIVERSIDE LAKE SID WWTF, held by SID 177 DOUGLAS RIVERSIDE LAKE, holds NPDES permit NE0112283, which discharges to Elkhorn River. EPA’s file records it issued June 25, 2021 and expiring June 30, 2026.
RIVERSIDE LAKE SID WWTF, Waterloo, Nebraska: Individual permit NE0112283, held by SID 177 DOUGLAS RIVERSIDE LAKE; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 25, 2021, term to June 30, 2026; discharges to ELKHORN RIVER.
- E. coli, MTEC-MF: 2 limits, 31 violations of any kind, 31 effluent exceedances, latest June 30, 2026, largest 99,999% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 5 limits, 35 violations of any kind, 18 effluent exceedances, latest July 31, 2024, largest 99,999% over the limit.
- Solids, total suspended: 5 limits, 54 violations of any kind, 16 effluent exceedances, latest December 31, 2025, largest 267% over the limit.
- BOD, 5-day, 20 deg. C: 0 limits, 24 violations of any kind, 6 effluent exceedances, latest June 30, 1997, largest 62% over the limit.
- pH: 3 limits, 27 violations of any kind, 5 effluent exceedances, latest October 31, 2018.
- Coliform, fecal general: 0 limits, 4 violations of any kind, 4 effluent exceedances, latest July 31, 2007, largest 3,400% over the limit.
- Flow, in conduit or thru treatment plant: 3 limits, 22 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia total [as N]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Selenium, sludge solid: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Arsenic, sludge tot. dry wt [as As]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Nitrogen [as NO3] sludge solid: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Nitrogen, sludge, total, dry weight [as N]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Copper, sludge, total, dry weight [as Cu]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Cadmium, sludge, total, dry weight [as Cd]: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Solids, sludge, total, dry weight: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia, sludge, tot dry wgt: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Selenium, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- PCB, total, scan effluent: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Dieldrin: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- January 24, 2024: Management Practice Violations - Improper Operation and Maintenance (ST6).
Nebraska holds 254 Publicly owned treatment works coverages of this permit type in EPA’s file; 235 were issued before NE0112283.
Coverages issued nearest NE0112283
- June 17, 2021: BEAVER CROSSING WASTEWATER, Beaver Crossing, NE0023981, held by BEAVER CROSSING WWTF
- June 17, 2021: ARCADIA WASTEWATER TREATMENT FACILITY, Arcadia, NE0041297, held by ARCADIA WWTF
- June 17, 2021: LEXINGTON WASTEWATER TREATMENT FACILITY, Lexington, NE0042668, held by LEXINGTON WWTF
- June 17, 2021: WILBER WASTEWATER TREATMENT FACILITY, Wilber, NE0045373, held by WILBER WWTF
- June 17, 2021: SPENCER WASTEWATER TREATMENT FACILITY, Spencer, NE0049042, held by SPENCER WWTF
- June 30, 2021: DAVID CITY WASTEWATER TREATMENT FACILITY, David City, NE0021199, held by DAVID CITY WWTF
- June 30, 2021: KENESAW WASTEWATER TREATMENT FACILITY, Kenesaw, NE0021555, held by KENESAW WWTF
- June 30, 2021: MINDEN WASTEWATER TREATMENT FACILITY, Minden, NE0025411, held by MINDEN WWTF
- June 30, 2021: FULLERTON WASTEWATER TREATMENT FACILITY, Fullerton, NE0026638, held by FULLERTON WWTF
- June 30, 2021: HOOPER WASTEWATER TREATMENT FACILITY, Hooper, NE0049093, held by HOOPER WWTF
RIVERSIDE LAKE SID WWTF among its neighbors
EPA’s permit file holds 2 discharge permits in the Big Slough-Elkhorn River subwatershed (HUC 102200031006), NE0112283 among them. Its county holds 59, 1 of them major permits; NE0112283 is a minor permit.
Other permits in the Big Slough-Elkhorn River subwatershed (HUC 102200031006)
- MOUNT MICHAEL WWTF, Elkhorn: NE0112216, minor permit, permit term to December 31, 2025
Identity
| Facility as filed | RIVERSIDE LAKE SID WWTF |
|---|---|
| Permittee as filed | SID 177 DOUGLAS RIVERSIDE LAKE |
| NPDES ID | NE0112283 |
| 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 | June 25, 2021 |
| Expiration date | June 30, 2026 |
| Address | Waterloo, NE 68069 |
| Receiving water | ELKHORN RIVER |
| Subwatershed | Big Slough-Elkhorn River (HUC 102200031006) |
Effluent limits and exceedances
- 28Pollutants on file
- 9Under a numeric limit
- 27With 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 |
|---|---|---|---|---|---|
| E. coli, MTEC-MF | 2 | 31 | 31 | June 30, 2026 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 35 | 18 | July 31, 2024 | 99,999% over the limit |
| Solids, total suspended | 5 | 54 | 16 | December 31, 2025 | 267% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 24 | 6 | June 30, 1997 | 62% over the limit |
| pH | 3 | 27 | 5 | October 31, 2018 | |
| Coliform, fecal general | 0 | 4 | 4 | July 31, 2007 | 3,400% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 22 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 8 | 0 | ||
| Selenium, sludge solid | 0 | 6 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 0 | 6 | 0 | ||
| Nitrogen [as NO3] sludge solid | 0 | 6 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 6 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 6 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 0 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 6 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 6 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 0 | 6 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 0 | 6 | 0 | ||
| Solids, sludge, total, dry weight | 0 | 6 | 0 | ||
| Nitrogen, ammonia, sludge, tot dry wgt | 0 | 6 | 0 | ||
| Selenium, total recoverable | 0 | 4 | 0 | ||
| PCB, total, scan effluent | 0 | 4 | 0 | ||
| Dieldrin | 0 | 4 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 24, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES NE0112283.
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 NE0112283.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.