WESTERN HILLS WATER DISTRICT/DIABLO GRAN
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in CA · PWSID CA5010039
WESTERN HILLS WATER DISTRICT/DIABLO GRAN serves 2,000 people. See EPA records and contact info below.
- People served
- 2,000
Data sources: EPA SDWIS, WESTERN HILLS WATER DISTRICT/DIABLO GRAN's published Consumer Confidence Report, California Department of Environmental Protection.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official WESTERN HILLS WATER DISTRICT/DIABLO GRAN Resources
WESTERN HILLS WATER DISTRICT/DIABLO GRAN Service Area
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This map shows the approximate service area for WESTERN HILLS WATER DISTRICT/DIABLO GRAN. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
WESTERN HILLS WATER DISTRICT/DIABLO GRAN Water Quality Grade
Water quality is good with minor concerns.
Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).
Is WESTERN HILLS WATER DISTRICT/DIABLO GRAN Water Safe to Drink?
WESTERN HILLS WATER DISTRICT/DIABLO GRAN has reported 2 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 2,000 people across 1 city in CA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
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WESTERN HILLS WATER DISTRICT/DIABLO GRAN Service Area
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WESTERN HILLS WATER DISTRICT/DIABLO GRAN Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for WESTERN HILLS WATER DISTRICT/DIABLO GRAN
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
WESTERN HILLS WATER DISTRICT/DIABLO GRAN Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for WESTERN HILLS WATER DISTRICT/DIABLO GRAN has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
WESTERN HILLS WATER DISTRICT/DIABLO GRAN Annual Water Quality Reports
Historical reports are being compiled. Check back soon for archived water quality data.
What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.
Recommended Water Filters for WESTERN HILLS WATER DISTRICT/DIABLO GRAN
Based on water quality data from cities served by WESTERN HILLS WATER DISTRICT/DIABLO GRAN, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about WESTERN HILLS WATER DISTRICT/DIABLO GRAN
Is WESTERN HILLS WATER DISTRICT/DIABLO GRAN water safe to drink?
Does WESTERN HILLS WATER DISTRICT/DIABLO GRAN have PFAS in its water?
How do I pay my WESTERN HILLS WATER DISTRICT/DIABLO GRAN water bill?
How many people does WESTERN HILLS WATER DISTRICT/DIABLO GRAN serve?
What cities does WESTERN HILLS WATER DISTRICT/DIABLO GRAN serve?
Does WESTERN HILLS WATER DISTRICT/DIABLO GRAN have any EPA violations?
What is WESTERN HILLS WATER DISTRICT/DIABLO GRAN's phone number?
Where can I find WESTERN HILLS WATER DISTRICT/DIABLO GRAN's Consumer Confidence Report?
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How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: WESTERN HILLS WATER DISTRICT/DIABLO GRAN's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS plus the California Department of Environmental Protection / Drinking Water program.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you WESTERN HILLS WATER DISTRICT/DIABLO GRAN? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles WESTERN HILLS WATER DISTRICT/DIABLO GRAN.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
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