MISSION, SD · Todd County
MISSION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of April 1, 2005. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Todd County, SD.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace South Dakota’s official records. Always confirm current status with South Dakota before making decisions based on this information.
System facts
- System ID (PWSID)
- SD4600401
- System type
- Community Water System
- Population served
- 904
- Service connections
- 366
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Atrazine
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Dalapon
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Endothall
January 1, 2003 – December 31, 2003
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1998 – August 31, 1998
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1976 – June 30, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 1976 – June 30, 1980
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Endothall | — | Resolved |
| August 1, 1998 – August 31, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 1976 – June 30, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 1, 1976 – June 30, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 23, 2004State Intentional no-action4 linked violations
- January 23, 2004State Intentional no-action6 linked violations
- January 23, 2004State Intentional no-action5 linked violations
- January 23, 2004State Intentional no-action6 linked violations
- January 23, 2004State Intentional no-action4 linked violations
- January 13, 2004State Compliance achieved2 linked violations
- January 13, 2004State Compliance achieved3 linked violations
- January 13, 2004State Compliance achieved5 linked violations
- January 13, 2004State Compliance achieved4 linked violations
- January 13, 2004State Compliance achieved3 linked violations
- January 13, 2004State Compliance achieved6 linked violations
- August 31, 2000State Public Notification received39 linked violations
Last known contact on file (system is inactive)
Not on record
402-376-3421
MISSION, SD 575550337