WALNUT VALLEY WATER DISTRICT
Drinking water quality, contact, and Consumer Confidence Report
Serving 6 cities in CA · PWSID CA1910234
WALNUT VALLEY WATER DISTRICT serves 100,202 people. See EPA records and contact info below.
- People served
- 100,202
Data sources: EPA SDWIS, WALNUT VALLEY WATER DISTRICT'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 WALNUT VALLEY WATER DISTRICT Resources
WALNUT VALLEY WATER DISTRICT Service Area
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This map shows the approximate service area for WALNUT VALLEY WATER DISTRICT. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
WALNUT VALLEY WATER DISTRICT 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 WALNUT VALLEY WATER DISTRICT Water Safe to Drink?
WALNUT VALLEY WATER DISTRICT 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 100,202 people across 6 cities 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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WALNUT VALLEY WATER DISTRICT Service Area
Diamond Bar, CA
Industry, CA
Pomona, CA
Rowland Heights, CA
Walnut, CA
West Covina, CA
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WALNUT VALLEY WATER DISTRICT Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for WALNUT VALLEY WATER DISTRICT
| 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
Disinfectant Used
chloramines, chlorine, hydrogen peroxide, hypochlorite, ozone
WALNUT VALLEY WATER DISTRICT 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 WALNUT VALLEY WATER DISTRICT 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.
WALNUT VALLEY WATER DISTRICT 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 WALNUT VALLEY WATER DISTRICT
Based on water quality data from cities served by WALNUT VALLEY WATER DISTRICT, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about WALNUT VALLEY WATER DISTRICT
Is WALNUT VALLEY WATER DISTRICT water safe to drink?
Does WALNUT VALLEY WATER DISTRICT have PFAS in its water?
How do I pay my WALNUT VALLEY WATER DISTRICT water bill?
How many people does WALNUT VALLEY WATER DISTRICT serve?
What cities does WALNUT VALLEY WATER DISTRICT serve?
Does WALNUT VALLEY WATER DISTRICT have any EPA violations?
What is WALNUT VALLEY WATER DISTRICT's phone number?
Where can I find WALNUT VALLEY WATER DISTRICT'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: WALNUT VALLEY WATER DISTRICT'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 WALNUT VALLEY WATER DISTRICT? 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 WALNUT VALLEY WATER DISTRICT.
- 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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