COON VALLEY, WI · Jackson County
SHERWOOD ESTATES MHP Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of March 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 Jackson County, WI.
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 Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.
System facts
- System ID (PWSID)
- WI6270257
- System type
- Community Water System
- Population served
- 50
- Service connections
- 18
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Toxaphene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Dalapon
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—OXAMYL
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Simazine
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Picloram
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Dinoseb
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—LASSO
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Heptachlor
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Heptachlor epoxide
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 1994 – March 31, 1994
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, 1994 – March 31, 1994 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Methoxychlor | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Toxaphene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Dalapon | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | OXAMYL | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Simazine | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Picloram | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Dinoseb | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb sulfoxide | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | LASSO | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Heptachlor | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Heptachlor epoxide | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | HEXACHLOROBENZENE | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 28, 1994State Public Notification received24 linked violations
- August 31, 1994State Violation/Reminder Notice24 linked violations
- August 31, 1994State Public Notification requested24 linked violations
Last known contact on file (system is inactive)
Not on record
Phone not on record
COON VALLEY, WI 54623