Napa, CA · Napa County
RANCHO MONTICELLO RESORT Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of June 9, 2009. 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 Napa County, CA.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA2810010
- System type
- Community Water System
- Population served
- 0
- Service connections
- 340
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
RANCHO MONTICELLO RESORT formerly served 0 people from surface water.
EPA's federal records list this system as inactive in 2009; the record below is historical.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- October 10, 2001State Administrative/Compliance Order without penalty issued1 linked violation
Last known contact on file (system is inactive)
Rancho Monticello Resort
7079660926
Napa, CA 94558