Collin County, Texas Water Systems

Collin County, Texas

45 community water systems on record — 35 active, 10 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 Collin County, Texas

System name	City	Population served	Status
AIR PARK ESTATES	PLANO	96	Active
ALTOGA WSC	PRINCETON	0	Inactive
BEAR CREEK SUD	LAVON	15,822	Active
CADDO PARK WATER SYSTEM INC	FARMERSVILLE	84	Inactive
CITY OF ALLEN	ALLEN	104,870	Active
CITY OF ANNA	ANNA	23,960	Active
CITY OF BLUE RIDGE	BLUE RIDGE	1,189	Active
CITY OF CELINA	CELINA	52,701	Active
CITY OF FARMERSVILLE	FARMERSVILLE	5,312	Active
CITY OF FRISCO	FRISCO	231,910	Active
CITY OF JOSEPHINE	JOSEPHINE	9,800	Active
CITY OF LUCAS	LUCAS	8,378	Active
CITY OF MCKINNEY	MCKINNEY	224,043	Active
CITY OF MELISSA	MELISSA	18,020	Active
CITY OF MURPHY	MURPHY	21,082	Active
CITY OF PARKER	PARKER	6,486	Active
CITY OF PLANO	PLANO	292,059	Active
CITY OF PRINCETON	PRINCETON	37,019	Active
CITY OF WYLIE	WYLIE	47,322	Active
COPEVILLE SUD	COPEVILLE	8,438	Active
COUNTRY RIDGE WATER	MELISSA	0	Inactive
CULLEOKA WSC	PRINCETON	24,615	Active
DANVILLE WSC	MCKINNEY	0	Inactive
DESERT WSC	BLUE RIDGE	2,091	Active
EAST FORK SUD	WYLIE	17,589	Active
FRANK WEDIN WATER CO.	MARATHON	150	Inactive
FROGNOT SUD	BLUE RIDGE	2,643	Active
LAKE FORK MHP-JOHN COX	MCKINNEY	21	Inactive
LEBANON WATER SUPPLY CORPORATION	FRISCO	492	Inactive
MILLIGAN WSC	MCKINNEY	3,364	Active
NEVADA SUD	NEVADA	4,218	Active
NORTH COLLIN SUD	MELISSA	10,674	Active
NORTH CUSTER ROAD PLANT	AUSTIN	2,754	Active
NORTH FARMERSVILLE WSC	FARMERSVILLE	747	Active
NORTH TEXAS MWD WYLIE WTP	WYLIE	90	Active
SEIS LAGOS UTILITY DISTRICT	LUCAS	2,037	Active
SOUTHFORK MOBILE HOME COMMUNITY	DENVER	0	Inactive
SPRING CREEK VILLAGE	IRVING	987	Inactive
STIFF CREEK MOBILE HOME PARK	MCKINNEY	0	Inactive
TOWN OF FAIRVIEW	FAIRVIEW	11,100	Active
TOWN OF PROSPER	PROSPER	42,598	Active
VERONA SUD	BLUE RIDGE	3,672	Active
WESTMINSTER SUD	WESTMINSTER	2,424	Active
WESTON WSC	WESTON	912	Active
WYLIE NORTHEAST SUD	WYLIE	11,430	Active