Mason County, Washington

Water Systems

241

Population Served

78,167

Total Violations

10,829

PFAS Detected

of 4 tested

Water Systems

System Name	Population	Violations	PFAS
SHELTON CITY OF	17,575	108	Clean
BELFAIR WATER DISTRICT 1	4,432	151	—
LAKE CUSHMAN SYSTEM 5	3,675	58	Detected
TWANOH STATE PARK	3,173	32	—
BELFAIR STATE PARK	2,411	32	—
TIMBERLAKE COMMUNITY CLUB INC	2,337	29	—
WASHINGTON CORRECTIONS CENTER	2,223	73	—
ALDERBROOK WATER CO	2,154	14	—
LAKE LIMERICK WATER	2,148	422	—
LAKELAND VILLAGE WATER	2,120	21	—
HOODSPORT	1,853	51	—
Shorecrest Estates Water Co	1,321	71	—
NORTH MASON HIGH SCHOOL	1,300	368	—
BEARDS COVE	1,100	18	—
POTLATCH STATE PARK	1,055	13	—
FAWN LAKE MAINTENANCE COMM	1,044	138	—
LAKE CUSHMAN SYSTEM 3	917	23	—
PIONEER SCHOOL DISTRICT	903	39	—
LYNCH COVE	721	21	—
JARRELL COVE STATE PARK	715	21	—
UNION	700	25	—
OAK PARK	695	61	—
SAND HILL ELEMENTARY	650	239	—
TWANOH FALLS BEACH CLUB	481	116	—
SCHAFER STATE PARK	465	25	—
HARTSTENE POINTE	460	20	—
ALLYN SHOPPING CENTER	414	3	—
PARADISE ESTATES	403	45	—
Ridge Motorsports Park	403	0	—
PORT OF ALLYN	397	14	—
HOOD CANAL	368	50	—
Tahuya River Valley Water District	367	281	—
HIAPARK	360	10	—
LAKE ARROWHEAD	343	10	—
EMERALD LAKE	331	16	Clean
PORT OF SHELTON JOHNS PRAIRIE	328	25	—
RUSTLEWOOD	322	33	—
COLLINS LAKE COMMUNITY CLUB	321	40	—
TREASURE ISLAND COUNTRY CLUB	321	24	—
TAYLOR STATION	314	21	—
MAGGIE LAKE WATER DISTRICT	287	120	—
COLONY SURF WATER SUPPLY	285	37	—
PORT OF SHELTON SANDERSON FIELD	283	23	—
VIEW RIDGE HEIGHTS	271	23	—
Mary M Knight School	270	35	—
SOUTHSIDE ELEMENTARY SCHOOL	260	181	—
GRAPEVIEW SCHOOL	257	38	—
UNION FOOD MART	255	13	—
ISLAND LAKE MANOR	233	32	—
SUNSET BEACH	224	262	—