MODESTO, CA · Stanislaus County
CITY OF MODESTO - GRAYSON Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
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)
- CA5010033
- System type
- Community Water System
- Population served
- 914
- Service connections
- 278
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedNitrate
June 1, 2003 – June 30, 2003
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 2003 – June 30, 2003 | Maximum Contaminant Level Violation, Single Sample | Nitrate | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 11, 2003State Compliance achieved2 linked violations
- July 10, 2003State Administrative/Compliance Order without penalty issued2 linked violations
- July 10, 2003State Compliance achieved1 linked violation
Contact
MARTINEZ, MANUEL
209-342-4592
MODESTO, CA 95355