Clean Water Act discharge permit · NPDES SD0020931
NEW EFFINGTON, TOWN OF, New Effington, SD: NPDES SD0020931 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
NEW EFFINGTON, TOWN OF, held by New Effington, Town of, holds NPDES permit SD0020931, which discharges to Unnamed Slough. EPA’s file records it issued May 27, 2020 and expiring March 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | NEW EFFINGTON, TOWN OF |
|---|---|
| Permittee as filed | New Effington, Town of |
| NPDES ID | SD0020931 |
| 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 | May 27, 2020 |
| Expiration date | March 31, 2025 |
| Issuing agency | SDDANR |
| Address | New Effington, SD 57255 |
| Receiving water | UNNAMED SLOUGH |
| Subwatershed | Town of New Effington (HUC 090201010303) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 12Pollutants on file
- 9Under a numeric limit
- 10With a violation of any kind
- 3With 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 | 2 | 109 | 21 | October 31, 2006 | 240% over the limit |
| pH | 2 | 105 | 15 | March 31, 2024 | |
| BOD, 5-day, 20 deg. C | 2 | 103 | 15 | May 31, 2015 | 110% over the limit |
| Flow rate | 2 | 85 | 0 | ||
| Temperature, water deg. centigrade | 2 | 83 | 0 | ||
| Flow, total | 1 | 31 | 0 | ||
| Duration of discharge | 1 | 30 | 0 | ||
| Duration | 0 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 10 | 0 | ||
| Flow | 0 | 10 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 3, 2024 | Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, SD0020931.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID SD0020931 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.