Washington County, Oklahoma Water Systems

Washington County, Oklahoma

16 community water systems on record — 11 active, 5 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 Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

Community water systems in Washington County, Oklahoma

System name	City	Population served	Status
BAR-DEW WATER ASSOC INC	DEWEY	130	Active
BARTLESVILLE	BARTLESVILLE	34,748	Active
COPAN	COPAN	1,000	Inactive
COPAN PWA	COPAN	733	Active
DEWEY PUBLIC WORKS AUTHORITY	DEWEY	3,490	Active
LAKESHORE MOBILE HOME PARK	TREGO	80	Inactive
LE ANN WATER	RAMONA	750	Active
NORTH ROSS MHP	DEWEY	40	Inactive
OCHELATA UTILITY AUTHORITY	OCHELATA	494	Active
RAMONA	RAMONA	600	Inactive
RAMONA PUBLIC WORKS AUTHORITY	RAMONA	564	Active
TRAILS END MHV	OCHELATA	15	Inactive
WASHINGTON CO RWD #1	OCHELATA	1,375	Active
WASHINGTON CO RWD #2	OCHELATA	2,250	Active
WASHINGTON CO RWD #5	RAMONA	900	Active
WASHINGTON CO RWD #7	DEWEY	258	Active