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Public water system · TX2460128

Active

Fern Bluff MUD

At a glance

Fern Bluff MUD (PWSID TX2460128) is an active community water system in Williamson County, Texas. It reports serving 5,682 people through 1,897 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2013.

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

Population served

5,682

Service connections

1,897

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTX2460128
System typeCommunity water system
Activity statusActive
Population served5,682
Service connections1,897
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyWilliamson County

How does Fern Bluff MUD compare with other water systems in Williamson County?

By EPA's size categories, Fern Bluff MUD is a medium system (3,301 to 10,000 people). Williamson County has 51 active public water systems. Its population served is about 59% below the county average of 13,777 people per system, and accounts for 0.8% of the 702,636 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 Fern Bluff MUD is about 15% below 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.

Who owns and regulates Fern Bluff MUD?

EPA lists Fern Bluff 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. 33 of the 51 active systems in Williamson County (65%) are also owned by a local government.

Does Fern Bluff MUD have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2013. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2013-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved

The one violation in EPA's records.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.

Fern Bluff MUD: frequently asked questions

Who runs Fern Bluff MUD?

Fern Bluff MUD (PWSID TX2460128) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Fern Bluff MUD serve?

Fern Bluff MUD reports serving 5,682 people through 1,897 service connections in Williamson County, Texas.

Where does Fern Bluff MUD get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Fern Bluff MUD have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2013. 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 Fern Bluff 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 one violation for this system; it is not health-based, and the most recent began in December 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Fern Bluff MUD's water quality report?

As a community water system, Fern Bluff 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 Williamson County

Water systemCountyPopulation servedTypeSource
City of GeorgetownWilliamson191,639CommunitySurface water
City of Round RockWilliamson130,662CommunitySurface water
City of LeanderWilliamson98,330CommunitySurface water
City of Cedar ParkWilliamson86,939CommunitySurface water
Jonah Water SudWilliamson29,861CommunityPurchased surface water
City of HuttoWilliamson29,580CommunityPurchased 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, “Fern Bluff MUD, PWSID TX2460128, Texas”, https://aquacensus.com/water-systems/texas/fern-bluff-mud-tx2460128 (data as of October 1, 2026).