Clean Water Act discharge permit · NPDES SDG860001
BIG SIOUX COMMUNITY WATER (WTP), Egan, SD: NPDES SDG860001 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
BIG SIOUX COMMUNITY WATER (WTP), held by BIG SIOUX COMMUNITY WATER, holds NPDES permit SDG860001, which discharges to Skunk Creek. EPA’s file records it issued February 1, 2017 and expiring September 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BIG SIOUX COMMUNITY WATER (WTP) |
|---|---|
| Permittee as filed | BIG SIOUX COMMUNITY WATER |
| NPDES ID | SDG860001 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 1, 2017 |
| Expiration date | September 30, 2021 |
| Issuing agency | SDDANR |
| Address | Egan, SD 57024 |
| Receiving water | Skunk Creek |
| Subwatershed | Lake Madison Church-Battle Creek (HUC 101702020802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 11 | 11 | March 31, 2012 | 1,300% over the limit |
| pH | 2 | 1 | 1 | May 31, 2019 | |
| Solids, total suspended | 1 | 1 | 1 | April 29, 2013 | 24% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 1 | 1 | April 29, 2013 | 6% over the limit |
| Solids, total dissolved | 1 | 1 | 1 | October 31, 2010 | 78% over the limit |
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 | ||
| Conductivity | 1 | 0 | 0 | ||
| Sulfate, total [as SO4] | 1 | 0 | 0 | ||
| Fluoride, total [as F] | 1 | 0 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Duration of discharge | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SDG860001.
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, SDG860001.
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- 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 SDG860001 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.