MODESTO, CA · Stanislaus County
COTTONWOOD GROVE MOBILE HOME Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of November 1, 1993. 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 Stanislaus 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)
- CA5000078
- System type
- Community Water System
- Population served
- 120
- Service connections
- 40
- Ownership
- not on record
- Water source
- groundwater (wells)
COTTONWOOD GROVE MOBILE HOME is one of 3,951 community water systems in California in the 500 or fewer people size category, formerly serving 120 people from groundwater.
EPA's federal records list this system as inactive in 1993; the record below is historical.
As of August 1, 2026, its federal record holds 2 entries between 1981 and 1982, all of which EPA lists as closed. Nothing has been added since 1982.
Of the 2, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals and the Radionuclides and Revised Rad Rule.
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedNitrate
April 29, 1982 – April 28, 1983
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 29, 1982 – April 28, 1983 | Maximum Contaminant Level Violation, Single Sample | Nitrate | Health-based | Archived |
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
Not on record
Phone not on record
MODESTO, CA 95350