Williamson County, Texas Water Systems

Williamson County, Texas

75 community water systems on record — 40 active, 35 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Texas’s official records. Always confirm current status with Texas before making decisions based on this information.

Community water systems in Williamson County, Texas

System name	City	Population served	Status
ANDERSON MILL MUD	AUSTIN	0	Inactive
ANDICE WATER SUPPLY	ANDICE	72	Inactive
BERRY CREEK UTILITY COMPANY	GEORGETOWN	1,100	Inactive
BLESSING MOBILE HOME PARK	ROUND ROCK	1,518	Active
BLOCK HOUSE MUD	LEANDER	6,618	Active
BRAZOS RIVER AUTHORITY GRANGER LAKE REGI	WACO	0	Active
BRUSHY BEND PARK	AUSTIN	645	Active
BRUSHY CREEK MUD	ROUND ROCK	18,314	Active
BRUSHY CREEK REGIONAL UTILITY AUTHORITY	ROUND ROCK	0	Active
CARRIAGE OAKS WATER SYSTEM	FLORENCE	609	Inactive
CEDAR PARK MUD NO 1	AUSTIN	387	Inactive
CHAMBERS WATER SYSTEM	FLORENCE	19	Inactive
CHAPARRAL III	HUTTO	0	Inactive
CHISHOLM TRAIL SUD	FLORENCE	0	Inactive
CITY OF BARTLETT	BARTLETT	2,950	Active
CITY OF CEDAR PARK	CEDAR PARK	86,939	Active
CITY OF FLORENCE	FLORENCE	1,136	Active
CITY OF GEORGETOWN	GEORGETOWN	191,639	Active
CITY OF GRANGER	GRANGER	1,914	Active
CITY OF HUTTO	HUTTO	29,580	Active
CITY OF JARRELL	JARRELL	3,450	Active
CITY OF LEANDER	LEANDER	98,330	Active
CITY OF LIBERTY HILL	LIBERTY HILL	8,777	Active
CITY OF ROUND ROCK	ROUND ROCK	130,662	Active
CITY OF TAYLOR	TAYLOR	20,622	Active
CITY OF THRALL	THRALL	975	Active
CLEARVIEW WATER SYSTEM	GEORGETOWN	60	Inactive
COTTON PICKING WATER CO-OP	CEDAR PARK	26	Inactive
COUNTRY HOMES VILLAGE MHP	WEIR	0	Inactive
COUNTY COTTAGE LINES	BERTRAM	29	Active
CROSS CREEK WATER SUPPLY CORP	LEANDER	50	Inactive
DURHAM PARK WSC	LIBERTY HILL	1,251	Active
EDVILLE WATER SUPPLY	AUSTIN	25	Inactive
FERN BLUFF MUD	ROUND ROCK	5,682	Active
GREAT OAKS SUBDIVISION	LEANDER	220	Inactive
GREEN ACRES WATER SUPPLY	HUTTO	0	Inactive
GREENE'S TRAILER PARK	FLORENCE	32	Inactive
HEART OF TEXAS SUPPLIERS	HOUSTON	0	Inactive
HIGH CHAPARRAL SUBD	CEDAR PARK	250	Inactive
HIGH GABRIEL WSC	CEDAR PARK	492	Active
HOPE HOUSE	LIBERTY HILL	0	Inactive
JARRELL SCHWERTNER WSC	JARRELL	9,681	Active
JENKS BRANCH WATER SUPPLY COMP	CEDAR PARK	100	Inactive
JONAH WATER SUD	HUTTO	29,861	Active
LIBERTY GREENLINE	LIBERTY HILL	46	Active
LIBERTY HILL MOBILE HOME PARK	AUSTIN	39	Inactive
LONE STAR RWA	PFLUGERVILLE	0	Active
MERIDELL ACHIEVEMENT CENTER	LIBERTY HILL	139	Inactive
MICROPACK CORP	NATICK	100	Inactive
NOACK WSC	THRALL	0	Inactive
OLD BAGDAD ESTATES	LEANDER	20	Inactive
PALOMA LAKE MUD 1	AUSTIN	3,111	Active
PALOMA LAKE MUD 2	AUSTIN	2,265	Active
RIVERSIDE MOBILE HOME PARK	GEORGETOWN	150	Inactive
ROUND ROCK RANCH PUD UTILITY COMPANY	HUTTO	285	Active
ROUND ROCK WATER SUPPLY CORP	ROUND ROCK	429	Inactive
SAN GABRIEL RIVER RANCHES	AUSTIN	891	Active
SONTERRA MUD	AUSTIN	16,614	Active
SOUTH SAN GABRIEL RANCHES	AUSTIN	510	Active
SOUTHERN HILLS WSC	ROUND ROCK	25	Inactive
SPRINGWOODS MUNICIPAL UTILITY DIST	AUSTIN	4,599	Inactive
SUNNY CREEK MHC	CROFTON	510	Active
TAL TEX	AUSTIN	939	Active
TDCJ BARTLETT	HUNTSVILLE	0	Inactive
VISTA OAKS MUD	AUSTIN	2,724	Active
WALBURG WATER SYSTEM	HUTTO	0	Inactive
WALSH RANCH MUD	ROUND ROCK	714	Active
WARD FOREST V WATER SUPPLYY	LEANDER	12	Inactive
WEIR WATER WORKS	HUTTO	0	Inactive
WILLIAMSON COUNTY MUD 10	AUSTIN	3,513	Active
WILLIAMSON COUNTY MUD 11	AUSTIN	4,248	Active
WILLIAMSON COUNTY MUD 3	CEDAR PARK	4,740	Inactive
WILLIAMSON COUNTY WSID 3	AUSTIN	8,265	Active
WILLIAMSON TRAVIS COUNTY MUD 1	CEDAR PARK	5,793	Active
WILLIAMSON-LIBERTY HILL MUD	AUSTIN	0	Inactive