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Public water system · TX1012264

Active

Interstate MUD

At a glance

Interstate MUD (PWSID TX1012264) is an active community water system in Harris County, Texas. It reports serving 6,591 people through 2,197 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 1991.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

6,591

Service connections

2,197

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDTX1012264
System typeCommunity water system
Activity statusActive
Population served6,591
Service connections2,197
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyHarris County

How does Interstate MUD compare with other water systems in Harris County?

By EPA's size categories, Interstate MUD is a medium system (3,301 to 10,000 people). Harris County has 1,246 active public water systems. Its population served is about 36% above the county average of 4,849 people per system, and accounts for 0.1% of the 6,041,784 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so Interstate MUD is roughly in line with that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.

Who owns and regulates Interstate MUD?

EPA lists Interstate MUD as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 508 of the 1,246 active systems in Harris County (41%) are also owned by a local government.

Does Interstate MUD have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 1991. The violations listed here began between March 1991 and June 1991. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
1991-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoArchived
1991-03-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoArchived

All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Interstate MUD: frequently asked questions

Who runs Interstate MUD?

Interstate MUD (PWSID TX1012264) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Interstate MUD serve?

Interstate MUD reports serving 6,591 people through 2,197 service connections in Harris County, Texas.

Where does Interstate MUD get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Interstate MUD have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 1991. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Interstate MUD's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 1991. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Interstate MUD's water quality report?

As a community water system, Interstate MUD must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Harris County

Water systemCountyPopulation servedTypeSource
City of HoustonHarris2,970,543CommunitySurface water
City of PasadenaHarris152,000CommunityPurchased surface water
Clear Lake City Water AuthorityHarris89,702CommunityPurchased surface water
City of BaytownHarris86,004CommunityPurchased surface water
City of Houston Ud 5 - KingwoodHarris80,073CommunityGroundwater
Harris County MUD 165Harris40,503CommunityPurchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Interstate MUD, PWSID TX1012264, Texas”, https://aquacensus.com/water-systems/texas/interstate-mud-tx1012264 (data as of October 1, 2026).