Mason County, Washington Water Systems

Mason County, Washington

174 community water systems on record — 120 active, 54 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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

Community water systems in Mason County, Washington

System name	City	Population served	Status
AGATE BEACH	UNION	48	Active
AIRPORT HOME TRACTS WATER SYST	SHELTON	25	Inactive
ALDERBROOK DEVELOPMENT CO	UNION	202	Inactive
ALDERBROOK WATER CO	UNION	2,154	Active
Allyn Carey	Shelton	45	Active
ALLYN SHOPPING CENTER	Tacoma	414	Active
ALLYN WATER	ALLYN	18	Inactive
ARCADIA ESTATES	UNION	110	Active
ARCADIA WATER SUPPLY	PORTLAND	25	Inactive
AYOCK BEACH IMPROVEMENT	Port Orchard	129	Active
BAR B ESTATE MANOR	Tacoma	96	Active
BAY EAST	UNION	96	Active
BAYSHORE	UNION	130	Active
BEACON POINT COMMUNITY CLUB	Shelton	158	Active
BEARDS COVE	Shelton	1,100	Active
BEL AIRE COVE	UNION	32	Active
BELFAIR WATER DISTRICT 1	BELFAIR	4,432	Active
BELL TRACTS	OLYMPIA	25	Inactive
BELLWOOD A	UNION	163	Active
BELWOOD LP#1	BREMERTON	250	Inactive
BOLDUC COMMUNITY	UNION	51	Active
BOOZE BAY WATER CO	SEATTLE	30	Inactive
BURROUGHS WATER SUPPLY	SEATTLE	25	Inactive
CANAL MUTUAL WATER	UNION	167	Active
CANYONWOOD BEACH WATER SUPPLY	UNION	43	Active
CEDAR GROVE	Tacoma	156	Active
CEDAR VIEW TRACTS COMM CLUB	Port Orchard	90	Active
CHEROKEE STRIP HOA & WATER	Port Orchard	59	Active
CHERRY PARK	UNION	111	Active
CLIFTON BEACH TRACTS CO OP	Port Orchard	65	Active
CLIFTON PEBBLE BEACH	Port Orchard	52	Active
COLLINS LAKE COMMUNITY CLUB	Port Orchard	322	Active
COLONY SURF WATER SUPPLY	Lilliwaup	297	Active
COUNTRY LANE WATER SYSTEM	GRAPEVIEW	26	Inactive
CROW'S NEST II	BELFAIR	29	Inactive
CURRIES LANDING	Tacoma	61	Active
DAYTON TRAILS	Shelton	148	Active
DETROIT WATER SERVICE ASSN	Port Orchard	57	Active
DRIFTWOOD BEACH WATER SUPPLY	SHELTON	25	Inactive
ELFENDAHL PASS	BREMERTON	400	Inactive
EMERALD COVE WATER SUPPLY	TACOMA	42	Inactive
EMERALD LAKE	Shelton	331	Active
ERICKSEN WATER SYSTEM	OLYMPIA	25	Inactive
ERICKSON LAKE TRACTS	Port Orchard	25	Active
EVERGREEN MOBILE HOMEOWNERS CO-OP	Shelton	140	Active
EXCEPTIONAL MANOR	SHELTON	70	Inactive
FAWN LAKE MAINTENANCE COMM	SHELTON	1,044	Active
FIRWOOD HEIGHTS WATER SYSTEM	BELFAIR	42	Inactive
HAMMA RIDGE	Shelton	63	Active
HAMMERSLEY INLET ESTATES	LONGBRANCH	25	Inactive
HARSTENE RETREAT	Shelton	88	Active
HARSTINE ISLAND ESTATES ASSN	Port Orchard	56	Active
HARTSTENE POINTE	SHELTON	460	Active
HETRICK-MEYERS BROADVIEW TRACT	BELFAIR	48	Inactive
HIAPARK	Port Orchard	360	Active
HIDDEN HAVEN MOBILE HOME PARK	BELFAIR	149	Active
HIGHLAND ESTATES	UNION	110	Active
HIGHLAND PARK	Shelton	180	Active
HIPMA	Port Orchard	39	Active
HOLIDAY BEACH WATER SUPPLY	UNION	130	Active
HOOD CANAL	Shelton	368	Active
HOOD CANAL WATER COMPANY B	Shelton	248	Inactive
HOODSPORT	Shelton	1,853	Active
ISLAND LAKE MANOR	Shelton	233	Active
JESFIELD TRACTS COMMUNITY CLUB	Port Orchard	65	Active
KAMILCHE POINT COMMUNITY CLUB	Shelton	39	Active
KAMILCHE SHORES	Port Orchard	43	Active
KAMILCHE WATER ASSOCIATION	SHELTON	78	Inactive
LAKE ARROWHEAD	Shelton	343	Active
LAKE CHRISTINE COMMUNITY CLUB	Port Orchard	53	Active
LAKE CUSHMAN MAINTENANCE CO	HOODSPORT	1,850	Inactive
LAKE CUSHMAN SYSTEM #10	HOODSPORT	540	Inactive
LAKE CUSHMAN SYSTEM 1	HOODSPORT	355	Inactive
LAKE CUSHMAN SYSTEM 3	Hoodsport	917	Active
LAKE CUSHMAN SYSTEM 5	Hoodsport	3,675	Active
LAKE LIMERICK WATER	Shelton	2,148	Active
LAKE NAHWATZEL RESORT	SHELTON	6	Inactive
LAKELAND VILLAGE WATER	Allyn	2,120	Active
LAKEWOOD COMMUNITY	Port Orchard	45	Active
LAKEWOOD HEIGHTS	Shelton	170	Active
LAKEWOOD MANOR ASSOCIATION	Allyn	42	Active
LITTLE MISSION CREEK	Belfair	47	Active
LITTLE MISSION CREEK TRACTS WATER	BELFAIR	46	Inactive
LONGSHORE COMMUNAL	OLYMPIA	25	Inactive
LYNCH COVE	Freeland	721	Active
LYNCH COVE DIV 1 WATER ASSN	Port Orchard	102	Active
MADRONA PARK	Shelton	73	Active
MAGGIE LAKE WATER DISTRICT	Tahuya	287	Active
MARK I TRAILOR PARK	SHELTON	5	Inactive
MASON COUNTY LOST LAKE	Port Orchard	96	Active
MC LAINS COVE WATER SUPPLY	GIG HARBOR	25	Inactive
MINERVA BEACH RESORT	Port Orchard	80	Active
MINERVA BEACH RV RESORT & M V EAST	SHELTON	51	Inactive
MINERVA TERRACE	Shelton	85	Active
Mission Creek Tracts	BELFAIR	150	Active
MOORES WATER SYSTEM	SHELTON	26	Inactive
MOUNTAIN SHORES CC	GRAPEVIEW	40	Active
MOUNTAIN VIEW	UNION	41	Active
MT SHORES COMMUNITY CLUB INC	GRAPEVIEW	18	Inactive
NEW PINE ACRES	UNION	60	Active
NORTH ONE APARTMENTS	TACOMA	60	Inactive
OAK PARK	SHELTON	695	Active
OLYMPIC TRAILS WATER SUPPLY	Port Orchard	44	Active
OLYMPIC VISTA CLUB COMMUNITY WATER	Shelton	41	Active
ORCHARD BEACH COMMUNITY	OLYMPIA	25	Inactive
ORCHARD BEACH COMMUNITY	UNION	64	Active
PARADISE ESTATES	Port Orchard	403	Active
PARKSHORE ESTATES	Tacoma	183	Active
PARKWOOD	EAST OLYMPIA	90	Inactive
PATRICIA BEACH #2	UNION	24	Inactive
PEBBLE BEACH	Shelton	64	Active
PENINSULA PINES PARK	Port Orchard	60	Active
PINE ACRES WATER	SHELTON	26	Inactive
PIRATES COVE COUNTRY CLUB	Shelton	168	Active
PLEASANT COVE	Port Orchard	55	Active
PORT OF ALLYN	Shelton	397	Active
POTLATCH BEACH MUTUAL	Hoodsport	109	Active
Queen Anne Water Works LLC	Shelton	28	Active
RAE LAKE	Shelton	73	Active
RAINBOW LAKE	Shelton	168	Active
RAINIER VIEW	Belfair	37	Active
RAUH WATER SYSTEM	BELFAIR	25	Inactive
RENDSLAND PROPERTY	EDMONDS	25	Inactive
RHODODENDRON PLACE	UNION	70	Active
Ripplewood Tracts	Shelton	45	Active
RIVENDELL #2	GRAPEVIEW	41	Inactive
RIVENDELL WATER ASSOCIATION	PORT ORCHARD	28	Active
RIVER HAVEN	Satsop	113	Active
RIVERHILL HOMEOWNERS ASSN	Belfair	215	Active
RUSTLEWOOD	Shelton	322	Active
SANDYS RESORT TRAILER PARK	TAHUYA	66	Inactive
SATCO GLEN PLOT	OLYMPIA	25	Inactive
SHADOWOOD	Shelton	154	Active
SHELTON CITY OF	SHELTON	15,089	Active
SHERWOOD PARK	ALLYN	25	Inactive
SHORE HILL	Shelton	101	Active
SHORE HILLS ESTATES	KINGSTON	25	Inactive
SHOREBROOK COMMUNITY CLUB	Port Orchard	148	Active
SHORECREST BEACH CLUB WATER CO	SHELTON	410	Inactive
Shorecrest Estates Water Co	Shelton	1,321	Active
SKOKOMISH COMMUNITY	SHELTON	200	Inactive
SMITH COVE	Port Orchard	30	Active
SPENCER GLEN	Port Orchard	55	Active
SPRINGWOOD	UNION	90	Active
SQUAXIN ISLAND TRIBAL HOUSING	SHELTON	250	Inactive
STAR LAKE COMMUNITY CLUB	Port Orchard	201	Active
STONE LITTLE WATER SUPPLY	SHELTON	25	Inactive
STOREYBROOK ESTATES	SHELTON	30	Inactive
SUNCREST	SHELTON	41	Inactive
SUNSET ACRES WATER SYSTEM	SHELTON	30	Inactive
SUNSET BEACH	Port Orchard	224	Active
Tahja II	Port Orchard	51	Active
Tahuya River Valley Water District	Shelton	367	Active
TERRA LINDA MOBILE HOME COURT	BELFAIR	25	Inactive
THELERS WATER SUPPLY	BELFAIR	25	Inactive
THREE FINGERS	Port Orchard	78	Active
TIGER LAKE TERRACE TRACTS	UNION	70	Active
TIMBERLAKE COMMUNITY CLUB INC	SHELTON	2,337	Active
TRAILS END WATER DISTRICT	Shelton	211	Active
TREASURE ISLAND COUNTRY CLUB	Port Orchard	321	Active
TRITON HEAD ASSN	Port Orchard	176	Active
TWANOH FALLS BEACH CLUB	Shelton	481	Active
TWANOH HEIGHTS COMMUNITY CLUB	UNION	118	Active
TWANOH TERRACE WATER CO	UNION	75	Active
UNION	UNION	700	Active
UNION RIDGE	UNION	93	Inactive
VIEW RIDGE HEIGHTS	UNION	271	Active
VIEWCREST BEACH	UNION	40	Active
VINEYARD COVE CORPORATION	Port Orchard	44	Active
VUECREST	UNION	191	Active
WASHINGTON CORRECTIONS CENTER	Shelton	2,223	Active
WONDERLAND WATER COMPANY	UNION	82	Active
WOOD MILNER WATER SUPPLY	BELFAIR	25	Inactive
WOODLAND MANOR	UNION	192	Active