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HARRIS COUNTY MUD 421

Serving 0 cities in TX

No Violations
All contaminants within safe levels
0K
People Served
0
Cities
0
Water Sources
0
MCL Violations

Official HARRIS COUNTY MUD 421 Resources

Emergency Contact

713) 759-1368

Available 24/7 for emergencies

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HARRIS COUNTY MUD 421 Service Area

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Service Area

This map shows the approximate service area for HARRIS COUNTY MUD 421. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

HARRIS COUNTY MUD 421 Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score100/100
0
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 HARRIS COUNTY MUD 421 Water Safe to Drink?

HARRIS COUNTY MUD 421 water currently meets all EPA Maximum Contaminant Level Goals (MCLGs) across all cities served. Water quality testing shows all contaminants are within safe levels according to health-based guidelines.

This utility serves 414 people across 0 cities in TX. 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 Texas β†’

HARRIS COUNTY MUD 421 Service Area

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HARRIS COUNTY MUD 421 Contact & Information

Emergency Line

713) 759-1368

24/7 After-Hours

Mailing Address

Houston, TX 77019

B2B Contact Data

B2B Contact Data Available

Contacts for HARRIS COUNTY MUD 421

Updated Jan 2026
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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

Not specified

Treatment Methods

Not specified

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