Clean Water Act discharge permit · NPDES SD0022349
HERMOSA, TOWN OF, Hermosa, SD: NPDES SD0022349 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
HERMOSA, TOWN OF, held by Hermosa, Town of, holds NPDES permit SD0022349, which discharges to Battle Creek (Neugebauer). EPA’s file records it issued July 1, 2020 and expiring June 30, 2025. 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 | HERMOSA, TOWN OF |
|---|---|
| Permittee as filed | Hermosa, Town of |
| NPDES ID | SD0022349 |
| 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 | July 1, 2020 |
| Expiration date | June 30, 2025 |
| Issuing agency | SDDANR |
| Address | Hermosa, SD 57744 |
| Receiving water | Battle Creek (Neugebauer) |
| 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
- 26Pollutants on file
- 16Under a numeric limit
- 22With 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 |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 1 | 7 | 7 | October 31, 2022 | 38,630% over the limit |
| pH | 1 | 130 | 0 | ||
| Temperature, water deg. centigrade | 1 | 105 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 101 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 83 | 0 | ||
| Solids, total suspended | 0 | 83 | 0 | ||
| Flow rate | 1 | 76 | 0 | ||
| Coliform, fecal general | 0 | 52 | 0 | ||
| Chlorine, total residual | 0 | 35 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 29 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 29 | 0 | ||
| Chloride [as Cl] | 1 | 29 | 0 | ||
| Sulfate, total [as SO4] | 1 | 29 | 0 | ||
| Solids, total dissolved | 1 | 28 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 25 | 0 | ||
| Phosphorus, total [as P] | 1 | 25 | 0 | ||
| Duration of discharge | 0 | 23 | 0 | ||
| Flow, total | 0 | 20 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 0 | ||
| Flow, total | 0 | 3 | 0 | ||
| BOD, 5-day, percent removal | 0 | 2 | 0 | ||
| Solids, suspended percent removal | 0 | 2 | 0 | ||
| Conductivity | 1 | 0 | 0 | ||
| Sodium adsorption ratio | 1 | 0 | 0 | ||
| Total Amount Land Applied | 1 | 0 | 0 | ||
| Duration of Land Application | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 31, 2022 | Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] | 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.
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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 SD0022349 there.
Nearby on the register
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- Every permit record in Hermosa, A to Z
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.