Tapcensus

Water quality in Bostonia, California

Bostonia is in San Diego County. 198 active public water systems serve the county; 83 had an EPA violation in the past three years.

Most likely your provider

Helix Water District CA3710010 · Community water system · Surface water
Serves 277,918 people Rules violated, past 3 years 0 Last sanitary survey Feb 25, 2026 Distance 3.0 mi

Your location is within the outer bounds of this system's EPA service area.

View system details EPA facility report

Other community water systems in San Diego County

81 systems, nearest first
SystemServesStatusRules violated, 3 yrDistance
Lakeside WD
 35,500 1 4.3 mi
Padre Dam Mwd
 93,980 0 4.4 mi
San Diego County Water Authority
 0 0 5.7 mi
Otay Water District
 242,155 0 10.4 mi
San Diego, City of
San Diego		 1,408,937 0 11.6 mi
Alpine Oaks Estates LLC
 185 0 11.8 mi
Poway, City of
Poway		 49,888 0 12.6 mi
MHC TT Inc. (dba Pio Pico)
 23 0 12.6 mi
Willowside Terrace Water Association
 100 2 12.9 mi
Sweetwater Authority
 184,915 0 13.7 mi
Ramona Municipal WD
 36,455 0 14.3 mi
Nas North Island & Nab Coronado
 421 0 17.4 mi
Sunrise Estates Mutual Water Company
 150 2 17.7 mi
Cal-Am Water Coronado
 106,000 1 18.0 mi
San Pasqual Academy
 298 0 18.4 mi
Rincon del Diablo Mwd (id-A)
 5,016 0 18.8 mi
Descanso Community Water District
 870 3 19.2 mi
Rancho Santa Teresa MW Co.
 102 2 19.7 mi
Barrett Lake MH and RV LLC
 300 1 19.9 mi
Del Dios Mutual Water Company
 330 3 20.3 mi
Santa FE I.d.
 21,539 0 20.9 mi
Del Mar, City of
Del Mar		 3,950 0 21.1 mi
Olivenhain Mwd
 86,458 0 21.1 mi
Heavenly Oaks
 300 1 21.8 mi
Rincon del Diablo Mwd (id-1)
 28,427 0 22.4 mi
All 82 community water systems in San Diego County
Non-community systems in San Diego County (116: schools, campgrounds, workplaces, restaurants)

These systems serve places you visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Oakoasis Open Space Preserve
 25 1 0
EL Monte County Park
 100 0 0
Sycamore Canyon / Goodan Ranch
 50 0 0
City of San Diego EL Capitan Reservoir
 300 0 0
Diamond Jack's RV Ranch
 115 1 1
Skyline Ranch RV Park & Campground
 45 0 0
Alpine American Legion
 100 1 0
Dhs Border Patrol Hwy 94 Checkpoint
 83 2 1
South Bay Rod & Gun Club Inc.
 18,900 1 0
Bandy Canyon Ranch Corp
 3,564 0 0
East County Transitional Living Center
 50 1 0
Descanso Fire Station
 34 0 0
San Pasqual Battlefield State Park
 44 0 0
Descanso Junction
 100 1 0
All Saints Retreat and Formation Center
 72 2 1
Hodges Reservoir Recreation Area
 200 0 0
Ramona Oaks RV Resort
 250 4 0
ND Daniel's Investment LLC
 106 0 0
Sutherland Reservoir Recreation Area
 300 1 0
The Oaks Venture, LLC
 220 0 0
Thousand Trails Oakzanita Inc.
 404 0 0
Questhaven Municipal Water District
 81 2 0
Cuyamaca SP Green Valley
 455 0 0
Camp Winacka
 250 0 0
Cuyamaca SP Paso Picacho
 691 0 0
Cuyamaca Outdoor School
 20 0 0
Potrero Elementary School
 300 0 0
Potrero General Store
 75 0 0
Tecate Vista Mutual Water Company
 204 1 1
Muir Industries Inc.
 70 0 0
Potrero County Park
 100 1 0
Tecate Supermarket
 25 0 0
Gsa Tecate Port of Entry
 70 1 0
William Heise County Park
 850 1 0
Auerbach Farms
 68 0 0
Santa Ysabel Nature Center
San Diego 		248 0 0
Lake Morena County Park
 300 0 0
Apple Water IS Good
 25 1 0
City of San Diego, Camp Morena
 200 0 0
Daley Ranch
 200 0 0
Calvary Chapel Julian
 101 1 0
Spencer Valley School District
 40 2 0
Whispering Winds Catholic Conference Cen
 164 0 0
Caltrans, Buckman Springs Rest Area
 25 1 0
Pinezanita Inc.
 400 0 0
Pinecrest
 70 0 0
Jess Martin County Park
 150 1 0
Sacred Mountain Inn
 30 1 0
Mountain Empire High School
 1,000 0 0
KQ Ranch Resort
 400 0 0
All non-community systems
About this data

Water systems are matched to San Diego County, nearest to Bostonia 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.

Town locations and ZIP code areas come from U.S. Census Bureau 2020 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.