Tapcensus

Water quality for ZIP code 95472

ZIP 95472 covers Occidental, Sebastopol, Graton, Santa Rosa, and Bloomfield in Sonoma County, California, one of 38 ZIP codes in the county. 445 active public water systems serve the county; 76 had an EPA violation in the past three years.

Most likely your provider

Belmont Terrace Mutual Water Company CA4900558 · Community water system · Ground water
Serves 287 people Rules violated, past 3 years 0 Last sanitary survey Apr 23, 2024 Distance 1.2 mi
View system details EPA facility report

Other community water systems in Sonoma County

128 systems, nearest first
SystemServesStatusRules violated, 3 yrDistance
Sebastopol, City of
Sebastopol		 7,522 0 1.9 mi
Fircrest Mutual Water Company
 126 0 2.3 mi
Graton Mutual Water System
 50 0 2.4 mi
Downtown Graton Mutual Water System
 44 0 2.6 mi
Pine Hill Terrace Mobile Home Park
 27 1 2.7 mi
Kelly Mutual Water Company
 135 1 3.0 mi
Blue Spruce Mobile Home Park
 90 0 3.4 mi
Sonoma County Csa 41-Freestone
 90 0 3.6 mi
Lone Pine Mutual Water Company
 65 0 4.0 mi
Willowside Mutual Water Company
 528 0 4.1 mi
Occidental Community Services District
 383 0 4.7 mi
Park Royal Mutual Water Company
 75 0 5.2 mi
Athena Terrace Mutual Water Company
 47 0 5.5 mi
Camp Meeker Water System
 1,171 0 5.5 mi
Vinehill Vistas Mutual Water Company
 37 0 5.5 mi
Forestville Water District
 3,717 1 5.8 mi
Hawkins Water Co-Cal Water Service (puc)
 91 0 5.9 mi
Wendell Lane Mutual Water Company
 82 0 6.2 mi
Larkin Woods Mutual Water Company
 34 0 6.3 mi
Leisure Mobile Home Park
 410 0 6.4 mi
Valley Ford Water Association
 84 3 6.6 mi
Alliance Redwoods Conference Grounds
 46 1 6.6 mi
Roseland Mobile Home Park
 130 0 7.2 mi
Bodega Water Company
 77 0 7.4 mi
Russian River County Water District
 4,150 0 7.6 mi
All 129 community water systems in Sonoma County
Non-community systems in Sonoma County (316: schools, campgrounds, workplaces, restaurants)

These systems serve places you visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Farmer Water System
 26 0 0
Lieto Water System (reach Chartr School)
 30 0 0
Twin Hills School Dist-Apple Blossom Sch
 400 0 0
Horse & Plow Tasting Room
 45 0 0
Sebastopol Charter School
 310 0 0
Char Vale Vineyards
 25 0 0
Plumfield Academy School (occidental Rd)
 30 0 0
Sonoma West Holdings North Plant
 50 0 0
Tlc Child & Family Services
 35 0 0
Andy's Produce Market, Inc.
 71 1 1
Twin Hills School Dist-Twin Hills School
 400 0 0
Molino Corner Water System
 100 0 0
Gold Ridge Pinot Dba Emeritus Vineyards
 26 0 0
Twin Hills Vineyard
 50 0 0
Azure Acres CD Recovery Center
 30 0 0
Oak Grove School
 500 1 1
Mycopia LLC
Sebastopol 		70 0 0
Graton Commerce Center
 30 0 0
Dutton Farmworker Housing
 38 0 0
Dutton Ranch Corporation
 75 0 0
Balletto Vineyards
 42 0 0
Sequoia Water Company
 100 0 0
Sonoma West Holdings Industrial Park
 25 0 0
Furthermore Wines Water System
 27 0 0
Lynmar Winery
 100 0 0
Sebastopol Vineyards
 156 0 0
Manzana Products Company, Inc.
 175 0 0
Jjapt Bloomfield
 37 0 0
Gravenstein School District-Hillcrest
 289 1 1
Mom's Apple Pie
 40 0 0
Midgley's Country Flea Market
 100 0 0
Traditional Medicinals, Inc.
 120 0 0
Humane Society of Sonoma County
 27 0 0
Salmon Creek Middle School
 300 2 0
Sonoma Wine Shop
 25 0 0
Santa Rosa Golf & Country Club
 250 0 0
Ektimo Vineyards
 57 0 0
Oak Grove School District Office
 36 0 0
Gravenstein Business Park
 50 0 0
Willowside School
 460 1 1
Vca Forestville Animal Hospital
 26 0 0
Spider Web Ranch
 38 0 0
Summerfield Waldorf School
 301 0 0
Catholic Charities Cyo Camp
 250 0 0
Crowell King Ridge, LLC
 76 0 0
Union Hotel
 350 0 0
Russian River Vineyards & Restaurant
 157 0 0
Russian River Winery
 73 0 0
Gray Water System
 50 0 0
Boisset de Loach Winery
 33 0 0
All non-community systems
About this data

Water systems are matched to Sonoma County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.

ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The California records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.