ALEXANDRIA, SD · Hanson County
ROCKPORT COLONY Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of February 1, 1996. 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 Hanson 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)
- SD4602014
- System type
- Community Water System
- Population served
- 101
- Service connections
- 20
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 1995 – September 30, 1995
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1995 – January 31, 1995
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1994 – July 31, 1994
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 1994 – May 31, 1994
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 1994 – December 31, 1994
ArchivedMonitoring, Regular
—Nitrate
January 1, 1994 – December 31, 1994
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Benzene
January 1, 1993 – December 31, 1993
ResolvedMonitoring, Regular
—Nitrate
January 1, 1988 – December 31, 1990
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 1995 – September 30, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1995 – January 31, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| July 1, 1994 – July 31, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| May 1, 1994 – May 31, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Nitrate | — | Archived |
| December 1, 1993 – December 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1988 – December 31, 1990 | Monitoring, Regular | Nitrate | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- February 1, 1996State Compliance achieved61 linked violations
- November 14, 1995State Public Notification requested19 linked violations
- March 28, 1995State Public Notification requested3 linked violations
- February 14, 1995State Public Notification requested4 linked violations
- January 25, 1995State Public Notification received22 linked violations
- December 13, 1994State Public Notification received2 linked violations
- October 20, 1994State Public Notification received12 linked violations
- October 13, 1994State Public Notification requested7 linked violations
- September 14, 1994State Public Notification received1 linked violation
- September 12, 1994State Public Notification requested28 linked violations
- July 14, 1994State Public Notification received3 linked violations
- June 15, 1994State Public Notification received2 linked violations
- May 12, 1994State Public Notification requested18 linked violations
- February 22, 1994State Public Notification received2 linked violations
- December 20, 1993State Public Notification received8 linked violations
- August 17, 1993State Public Notification received33 linked violations
- March 1, 1992State Compliance achieved11 linked violations
Last known contact on file (system is inactive)
Not on record
Phone not on record
ALEXANDRIA, SD 57311