Clean Water Act discharge permit · NPDES SD0020915
LONG LAKE, TOWN OF, Long Lake, Town Of, SD: NPDES SD0020915 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LONG LAKE, TOWN OF, held by LONG LAKE - TOWN OF, holds NPDES permit SD0020915, which discharges to Unnamed Natural Slough. EPA’s file records it issued June 27, 2006 and expiring June 30, 2011. 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 | LONG LAKE, TOWN OF |
|---|---|
| Permittee as filed | LONG LAKE - TOWN OF |
| NPDES ID | SD0020915 |
| 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 27, 2006 |
| Expiration date | June 30, 2011 |
| Issuing agency | SDDENR |
| Address | Long Lake, Town Of, SD 57457 |
| Receiving water | UNNAMED NATURAL SLOUGH |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| pH | 2 | 66 | 0 | ||
| Flow rate | 1 | 66 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 66 | 0 | ||
| Solids, total suspended | 1 | 66 | 0 | ||
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Coliform, fecal general | 1 | 0 | 0 | ||
| Duration of discharge | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SD0020915.
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 SD0020915.
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, SD0020915.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 SD0020915 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.