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GRAN MUTUAL WATER CO

Drinking water quality, contact, and Consumer Confidence Report

Serving 1 city in CA Β· PWSID CA0400008

GRAN MUTUAL WATER CO serves 290 people. See EPA records and contact info below.

Monitor
1 above health guidelines
People served
290

Data sources: EPA SDWIS, GRAN MUTUAL WATER CO'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.

0K
People Served
1
City
1
Water Sources
0
MCL Violations

Official GRAN MUTUAL WATER CO Resources

GRAN MUTUAL WATER CO Service Area

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Service Area

This map shows the approximate service area for GRAN MUTUAL WATER CO. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

GRAN MUTUAL WATER CO Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score90/100
1
Above Health Guidelines
0
EPA Violations

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 GRAN MUTUAL WATER CO Water Safe to Drink?

GRAN MUTUAL WATER CO has reported 1 contaminant 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 290 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 β†’How does California water quality rank nationally? β†’

GRAN MUTUAL WATER CO Service Area

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GRAN MUTUAL WATER CO Contact & Information

Phone

Mailing Address

1557 Mill Street PO Box 31 Nelson, CA 95958

B2B Contact Data

B2B Contact Data Available

Contacts for GRAN MUTUAL WATER CO

Updated Jan 2026
Sample Preview (masked)
NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
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Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

GRAN MUTUAL WATER CO 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 Β§1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for GRAN MUTUAL WATER CO 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 β€” residents already find it here.

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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.

Recommended Water Filters for GRAN MUTUAL WATER CO

Based on water quality data from cities served by GRAN MUTUAL WATER CO, we recommend NSF-certified filters that can remove contaminants above health guidelines.

Frequently Asked Questions about GRAN MUTUAL WATER CO

Is GRAN MUTUAL WATER CO water safe to drink?

GRAN MUTUAL WATER CO has reported 1 contaminant above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports for specific water quality details.

Does GRAN MUTUAL WATER CO have PFAS in its water?

GRAN MUTUAL WATER CO 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 GRAN MUTUAL WATER CO water bill?

GRAN MUTUAL WATER CO bills can be paid at the utility's official payment portal: https://granmutualwater.govtportal.com/. For questions about your bill, call 530-893-5276.

How many people does GRAN MUTUAL WATER CO serve?

GRAN MUTUAL WATER CO serves 290 people across 1 city in CA.

What cities does GRAN MUTUAL WATER CO serve?

GRAN MUTUAL WATER CO provides water service to: Butte Creek Canyon, CA.

Does GRAN MUTUAL WATER CO have any EPA violations?

No, GRAN MUTUAL WATER CO has no MCL violations on record.

What is GRAN MUTUAL WATER CO's phone number?

You can contact GRAN MUTUAL WATER CO at 530-893-5276. Their mailing address is: 1557 Mill Street PO Box 31 Nelson, CA 95958.

Where can I find GRAN MUTUAL WATER CO's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for GRAN MUTUAL WATER CO's CCR, contact them at 530-893-5276 or check back here β€” 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 β€” typically within days of an EPA SDWIS refresh.

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