Clean Water Act discharge permit · NPDES SD0022519
IPSWICH, CITY OF, Ipswich, SD: NPDES SD0022519 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
IPSWICH, CITY OF, held by Ipswich, City of, holds NPDES permit SD0022519, which discharges to Unnamed Tributary Of Preachers Run Creek. EPA’s file records it issued March 23, 2015 and expiring March 31, 2020. 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 | IPSWICH, CITY OF |
|---|---|
| Permittee as filed | Ipswich, City of |
| NPDES ID | SD0022519 |
| 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 | March 23, 2015 |
| Expiration date | March 31, 2020 |
| Issuing agency | SDDENR |
| Address | Ipswich, SD 57451 |
| Receiving water | Unnamed tributary of Preachers Run Creek |
| Subwatershed | City of Ipswitch (HUC 101600080204) |
| 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
- 18Pollutants on file
- 15Under a numeric limit
- 18With a violation of any kind
- 7With 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 | 45 | 6 | May 31, 2019 | 33% over the limit |
| pH | 4 | 64 | 5 | November 30, 2019 | |
| Conductivity | 4 | 26 | 4 | June 30, 2017 | 1% over the limit |
| Solids, total dissolved | 2 | 26 | 2 | November 30, 2018 | 43% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 15 | 2 | December 31, 2019 | 5% over the limit |
| Radium 226, total | 2 | 95 | 1 | March 31, 2008 | 26% over the limit |
| Solids, total suspended | 4 | 64 | 1 | April 30, 2016 | 18% over the limit |
| Temperature, water deg. centigrade | 4 | 61 | 0 | ||
| Flow rate | 4 | 60 | 0 | ||
| Radiation, gross beta | 1 | 47 | 0 | ||
| Duration of discharge | 1 | 19 | 0 | ||
| Flow, total | 1 | 11 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 10 | 0 | ||
| Flow | 0 | 10 | 0 | ||
| E. coli, colony forming units [CFU] | 4 | 7 | 0 | ||
| Nitrogen, total [as N] | 0 | 5 | 0 | ||
| Phosphorus, total [as P] | 0 | 5 | 0 | ||
| Flowing, Receiving Stream | 1 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 4, 2024 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| May 29, 2024 | Dry-weather SSO 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.
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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 SD0022519 there.
Nearby on the register
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- Every permit record in Ipswich, A to Z
- Discharge permits in South Dakota
- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.