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Mountain House Community Services Dist.

Drinking water quality, contact, and Consumer Confidence Report

Serving 1 city in CA ยท PWSID CA3910027

Mountain House Community Services Dist. serves 23,146 people. 2 contaminants currently exceed health-based guidelines โ€” full breakdown below.

Monitor
2 contaminants above EPA health-based guidelines (MCLGs)
People served
23,146
Last EPA sample
2024-11-21
PFAS
Not detected
Health-based violations since 2020
0

Data sources: EPA SDWIS, Mountain House Community Services Dist.'s published Consumer Confidence Report, and compliance monitoring reported to EPA by CA State Water Resources Control Board, Div. of Drinking Water.

This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.

23K
People Served
1
City
1
Water Sources
0
Health-based violations since 2020

Official Mountain House Community Services Dist. Resources

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Mountain House Community Services Dist. Service Area

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Service Area

This map shows the approximate service area for Mountain House Community Services Dist.. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

Mountain House Community Services Dist. Water Quality Grade

Not graded: Monitor

Mountain House Community Services Dist. reads Monitor. A letter grade is given only beside a Safe verdict.

2
Above Health Guidelines
0
Health-based violations since 2020

Is Mountain House Community Services Dist. Water Safe to Drink?

Mountain House Community Services Dist. 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 23,146 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.

Get your water independently tested in California โ†’How does California water quality rank nationally? โ†’

Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California

Fluoride in Mountain House Community Services Dist. Water

  • Mountain House Community Services Dist.

    PWSID CA3910027

    Fluoride was detected in 20.0% of Mountain House Community Services Dist.'s samples (median below the detection limit).

Check fluoride levels by ZIP code

Mountain House Community Services Dist. Service Area

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Mountain House Community Services Dist. Contact & Information

Phone

Emergency Line

(209) 468-4400

Mailing Address

251 E Main St Mountain House, CA 95391

B2B Contact Data

B2B Contact Data Available

Contacts for Mountain House Community Services Dist.

Updated Jan 2026
Sample Preview (masked)
NameTitlePhoneEmail
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Mโ–ˆโ–ˆโ–ˆโ–ˆ Jโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆUtility Director(555) โ–ˆโ–ˆโ–ˆ-โ–ˆโ–ˆโ–ˆโ–ˆmโ–ˆโ–ˆโ–ˆโ–ˆ@waterโ–ˆโ–ˆโ–ˆโ–ˆ.org
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Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

conventional

Disinfectant Used

hypochlorite

Mountain House Community Services Dist. 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 ยง1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for Mountain House Community Services Dist. has not been published or validated on TapWaterData yet.

Publish your 2027 CCR

Are you the water operator here? Publish your official 2027-compliant CCR on this page โ€” residents already find it here.

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Residents: contact the utility directly using the phone number above, or check the EPAโ€™s national CCR portal. Reports are typically distributed by mail or posted on the utilityโ€™s official website.

Mountain House Community Services Dist. Annual Water Quality Reports

Find Mountain House Community Services Dist.โ€™s report

We donโ€™t have a link we can confirm belongs to this system, and weโ€™d rather show none than the wrong utilityโ€™s. CA State Water Resources Control Board, Div. of Drinking Water publishes drinking-water reports for systems in this state.

Visit CA State Water Resources Control Board, Div. of Drinking Water

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.

EPA Health-Based Violations Since 2020

Mountain House Community Services Dist. has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).

Concerned about what's in your water?

You're viewing 2 contaminants above health-based guidelines here. Your own tap water can differ โ€” upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.

Your upload also helps us keep local water data accurate โ€” we only ever share anonymized, area-level summaries.

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Recommended Water Filters for Mountain House Community Services Dist.

Based on water quality data from cities served by Mountain House Community Services Dist., we recommend NSF-certified filters that can remove contaminants above health guidelines.

Frequently Asked Questions about Mountain House Community Services Dist.

Is Mountain House Community Services Dist. water safe to drink?

Mountain House Community Services Dist. has reported 2 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports for specific water quality details.

Does Mountain House Community Services Dist. have PFAS in its water?

Mountain House Community Services Dist. has PFAS monitoring data on record and no PFAS compounds are currently above EPA health-based guidelines. EPA finalized new PFAS drinking-water rules in 2024 requiring ongoing monitoring through 2029.

How do I pay my Mountain House Community Services Dist. water bill?

Visit the Mountain House Community Services Dist. official website at https://www.mountainhouseca.gov/government/public-works/water-services-rates for bill payment options. For questions about your bill, call 209-831-5607.

How many people does Mountain House Community Services Dist. serve?

Mountain House Community Services Dist. serves 23,146 people across 1 city in CA.

What cities does Mountain House Community Services Dist. serve?

Mountain House Community Services Dist. provides water service to: Mountain House, CA.

Does Mountain House Community Services Dist. have any EPA violations?

No. Mountain House Community Services Dist. has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

What is Mountain House Community Services Dist.'s phone number?

You can contact Mountain House Community Services Dist. at 209-831-5607. Their mailing address is: 251 E Main St Mountain House, CA 95391.

Where can I find Mountain House Community Services Dist.'s Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for Mountain House Community Services Dist.'s CCR, contact them at 209-831-5607 or check back here โ€” we update monthly. The 2027 revised CCR Rule introduces new direct-URL distribution requirements.

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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 โ€” typically within days of an EPA SDWIS refresh.

Spotted a data issue? Use the Spotted something off? link at the bottom of the page โ€” corrections feed back into the next data refresh. Learn more about TapWaterData.

Are you Mountain House Community Services Dist.? 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 โ€” it inherits this page's search authority and reaches every customer who Googles Mountain House Community Services Dist..

  • 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.
Claim Mountain House Community Services Dist.

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Residents keep our data honest.

This form corrects our data; it does not reach Mountain House Community Services Dist.. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Mountain House Community Services Dist. directly.

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