MODESTO, CA · Stanislaus County
CITY OF MODESTO, EXDE SO. MOD. TRACT 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 Stanislaus County, CA.
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 California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA5010016
- System type
- Community Water System
- Population served
- 0
- Service connections
- 2,319
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedArsenic
February 1, 1988 – February 29, 1988
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedFluoride
February 1, 1988 – February 29, 1988
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedSelenium
February 1, 1988 – February 29, 1988
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| February 1, 1988 – February 29, 1988 | Maximum Contaminant Level Violation, Single Sample | Arsenic | Health-based | Archived |
| February 1, 1988 – February 29, 1988 | Maximum Contaminant Level Violation, Single Sample | Fluoride | Health-based | Archived |
| February 1, 1988 – February 29, 1988 | Maximum Contaminant Level Violation, Single Sample | Selenium | Health-based | 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 95353