CEDAR PARK, TX · Williamson County
HIGH CHAPARRAL SUBD Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of March 1, 1984. 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 Williamson County, TX.
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 Texas’s official records. Always confirm current status with Texas before making decisions based on this information.
System facts
- System ID (PWSID)
- TX2460032
- System type
- Community Water System
- Population served
- 250
- Service connections
- 74
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedFluoride
June 18, 1979 – July 17, 1979
ArchivedMaximum Contaminant Level Violation, Average
Health-basedFluoride
June 18, 1979 – June 17, 1980
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 18, 1979 – July 17, 1979 | Maximum Contaminant Level Violation, Average | Fluoride | Health-based | Archived |
| June 18, 1979 – June 17, 1980 | Maximum Contaminant Level Violation, Average | Fluoride | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 30, 1983State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 1, 1983State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- January 1, 1983State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- October 1, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 30, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 30, 1981State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- June 18, 1979State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- June 18, 1979Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
Phone not on record
CEDAR PARK, TX 78613