Clean Water Act discharge permit · NPDES SD0022551
COLMAN, CITY OF, Colman, SD: NPDES SD0022551 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
COLMAN, CITY OF, held by Colman, City of, holds NPDES permit SD0022551, which discharges to Unnamed Tributary Of Bachelor Creek. EPA’s file records it issued April 1, 2019 and expiring March 31, 2024. 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 | COLMAN, CITY OF |
|---|---|
| Permittee as filed | Colman, City of |
| NPDES ID | SD0022551 |
| 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, 2019 |
| Expiration date | March 31, 2024 |
| Issuing agency | SDDANR |
| Address | Colman, SD 57017 |
| Receiving water | Unnamed Tributary of Bachelor Creek |
| Subwatershed | Lower Bachelor Creek (HUC 101702030502) |
| 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
- 13Pollutants on file
- 10Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 24 | 116 | 26 | May 31, 2025 | 315% over the limit |
| Solids, total suspended | 2 | 102 | 15 | September 30, 2012 | 367% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 95 | 6 | May 31, 2025 | 120% over the limit |
| pH | 2 | 97 | 4 | May 31, 2025 | |
| Chlorine, total residual | 0 | 40 | 1 | October 31, 2004 | 268% over the limit |
| Temperature, water deg. centigrade | 2 | 94 | 0 | ||
| Flow rate | 2 | 92 | 0 | ||
| Coliform, fecal general | 0 | 36 | 0 | ||
| Duration of discharge | 1 | 11 | 0 | ||
| E. coli, colony forming units [CFU] | 2 | 8 | 0 | ||
| Flow, total | 1 | 7 | 0 | ||
| Flowing, Receiving Stream | 1 | 4 | 0 | ||
| Flow | 0 | 4 | 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 |
|---|---|---|
| July 9, 2025 | Dry-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
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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 SD0022551 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.