Clean Water Act discharge permit · NPDES SD0020168
POLLOCK, TOWN OF, Pollock, SD: NPDES SD0020168 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
POLLOCK, TOWN OF, held by Pollock, Town of, holds NPDES permit SD0020168, which discharges to Lake Oahe (Missouri River). EPA’s file records it issued April 1, 2017 and expiring March 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | POLLOCK, TOWN OF |
|---|---|
| Permittee as filed | Pollock, Town of |
| NPDES ID | SD0020168 |
| 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 | April 1, 2017 |
| Expiration date | March 31, 2022 |
| Issuing agency | SDDENR |
| Address | Pollock, SD 57648 |
| Receiving water | Lake Oahe (Missouri River) |
| Subwatershed | Lake Pocasse-Pollock Bay (HUC 101301021105) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 0Under a numeric limit
- 15With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. centigrade | 0 | 74 | 0 | ||
| Flow rate | 0 | 74 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 74 | 0 | ||
| pH | 0 | 74 | 0 | ||
| Solids, total suspended | 0 | 74 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 74 | 0 | ||
| Coliform, total general | 0 | 74 | 0 | ||
| Coliform, fecal general | 0 | 32 | 0 | ||
| Flow, total | 0 | 21 | 0 | ||
| Duration of discharge | 0 | 21 | 0 | ||
| Duration | 0 | 16 | 0 | ||
| Chlorine, total residual | 0 | 16 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SD0020168.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SD0020168.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, SD0020168.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/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 SD0020168 there.
Nearby on the register
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- Every permit record in Pollock, A to Z
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.