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SANTA MARGARITA WATER DISTRICT

Drinking water quality, contact, and Consumer Confidence Report

Serving 8 cities in CA Β· PWSID CA3010101

SANTA MARGARITA WATER DISTRICT serves 164,604 people. See EPA records and contact info below.

Monitor
2 above health guidelines
People served
164,604

Data sources: EPA SDWIS, SANTA MARGARITA 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.

165K
People Served
8
Cities
1
Water Sources
0
MCL Violations

Official SANTA MARGARITA WATER DISTRICT Resources

SANTA MARGARITA WATER DISTRICT Service Area

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Service Area

This map shows the approximate service area for SANTA MARGARITA WATER DISTRICT. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

SANTA MARGARITA WATER DISTRICT Water Quality Grade

B
Good

Water quality is good with minor concerns.

Quality Score80/100
2
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 SANTA MARGARITA WATER DISTRICT Water Safe to Drink?

SANTA MARGARITA 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 164,604 people across 8 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.

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

SANTA MARGARITA WATER DISTRICT Service Area

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SANTA MARGARITA WATER DISTRICT Contact & Information

Phone

Mailing Address

26111 Antonio Pkwy. Rancho Santa Margarita, CA 92688

B2B Contact Data

B2B Contact Data Available

Contacts for SANTA MARGARITA WATER DISTRICT

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

Surface water purchased

Treatment Methods

no treatment

Disinfectant Used

chloramines, chlorine, ozone, uv light

SANTA MARGARITA 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 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 SANTA MARGARITA WATER DISTRICT 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 SANTA MARGARITA WATER DISTRICT

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

Frequently Asked Questions about SANTA MARGARITA WATER DISTRICT

Is SANTA MARGARITA WATER DISTRICT water safe to drink?

SANTA MARGARITA WATER DISTRICT 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 SANTA MARGARITA WATER DISTRICT have PFAS in its water?

SANTA MARGARITA WATER DISTRICT 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 SANTA MARGARITA WATER DISTRICT water bill?

Visit the SANTA MARGARITA WATER DISTRICT official website at https://www.smwd.com/306/Your-Water for bill payment options. For questions about your bill, call 949-459-6594.

How many people does SANTA MARGARITA WATER DISTRICT serve?

SANTA MARGARITA WATER DISTRICT serves 164,604 people across 8 cities in CA.

What cities does SANTA MARGARITA WATER DISTRICT serve?

SANTA MARGARITA WATER DISTRICT provides water service to: Coto de Caza, CA; Ladera Ranch, CA; Las Flores, CA; Mission Viejo, CA; Rancho Mission Viejo, CA; Rancho Santa Margarita, CA; San Clemente, CA; San Juan Capistrano, CA.

Does SANTA MARGARITA WATER DISTRICT have any EPA violations?

No, SANTA MARGARITA WATER DISTRICT has no MCL violations on record.

What is SANTA MARGARITA WATER DISTRICT's phone number?

You can contact SANTA MARGARITA WATER DISTRICT at 949-459-6594. Their mailing address is: 26111 Antonio Pkwy. Rancho Santa Margarita, CA 92688.

Where can I find SANTA MARGARITA WATER DISTRICT's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for SANTA MARGARITA WATER DISTRICT's CCR, contact them at 949-459-6594 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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