Clean Water Act discharge permit · NPDES SDG922705
LANGFORD, TOWN OF, Langford, SD: NPDES SDG922705 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
LANGFORD, TOWN OF, held by Langford, Town of, holds NPDES permit SDG922705, which discharges to Unnamed Tributary Of Mud Creek. EPA’s file records it issued January 1, 2017 and expiring December 31, 2020. 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 | LANGFORD, TOWN OF |
|---|---|
| Permittee as filed | Langford, Town of |
| NPDES ID | SDG922705 |
| 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 | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 1, 2017 |
| Expiration date | December 31, 2020 |
| Issuing agency | SDDENR |
| Address | Langford, SD 57454 |
| Receiving water | Unnamed Tributary of Mud Creek |
| Subwatershed | Town of Langford (HUC 101600031701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 8Under a numeric limit
- 10With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 14 | 4 | March 31, 2025 | 170% over the limit |
| Solids, total suspended | 2 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 8 | 0 | ||
| Temperature, water deg. centigrade | 2 | 6 | 0 | ||
| Flow rate | 2 | 6 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Flow, total | 1 | 3 | 0 | ||
| Duration of discharge | 1 | 3 | 0 | ||
| Nitrogen, total [as N] | 0 | 1 | 0 | ||
| Phosphorus, total [as P] | 0 | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 20, 2025 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| August 17, 2025 | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 14, 2025 | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | 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
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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 SDG922705 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.