PlainWater

Public Water Systems

143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.

Population Violations Health Violations Name
System Name Location Population Violations PFAS
City of Santa Barbara Water Department Santa Barbara, CA 98,872 9 Clean
Dublin San Ramon Services District Pleasanton, CA 98,776 4 Clean
Wvawc - Huntington Dist Charleston, WV 98,647 22 Clean
City of Leander Leander, TX 98,330 29 Detected
Las Cruces Municipal Water System Las Cruces, NM 98,175 478 Clean
Pawtucket Water Supply Board Veolia-Na Pawtucket, RI 98,130 71 Detected
Orem City Water System Orem, UT 98,129 121 Clean
Albany City Albany, NY 98,000 8 Clean
Portsmouth, City Of Suffolk, VA 97,915 47 Clean
Seacoast Utilities Authority Palm Beach Gardens, FL 97,552 69 Clean
Falmouth Water Dept Falmouth, MA 97,551 59 Clean
Dothan Utilities, City Of Dothan, AL 97,146 424 Detected
City of Vacaville Elmira, CA 97,000 7 Detected
Livonia Livonia, MI 96,942 11 Clean
Easton Area Water System Easton, PA 96,867 210 Clean
California Water Service Co. - Herm/Redo San Jose, CA 96,853 10 Clean
Tracy, City Of Tracy, CA 96,609 10 Clean
Spotsylvania County Utilities Fredericksburg, VA 95,686 9 Detected
Aqua Ohio - Massillon PWS Massillon, OH 95,636 9 Detected
Queen Creek Town Of Queen Creek, AZ 95,502 494 Clean
Loveland City Of Loveland, CO 95,471 23 Clean
Bcwsa Sangaree W/D (0820002) Moncks Corner, SC 95,345 21 Detected
Lawrence, City Of Lawrence, KS 95,256 12 Detected
Carlsbad MWD Carlsbad, CA 95,158 0 Clean
Reading Area Water Authority Reading, PA 95,100 124 Detected
Cleveland Utilities Cleveland, TN 95,087 18 Detected
City of Temple Temple, TX 94,935 199 Detected
Jupiter Public Water System,town Of Jupiter, FL 94,929 14 Clean
Ventura Wwd No. 8 - Simi Valley Simi Valley, CA 94,738 12 Clean
Santa Cruz Water Department Santa Cruz, CA 94,626 15 Clean
Fall River Water Department Fall River, MA 94,000 87 Clean
Two Rivers Utilities Gastonia, NC 93,877 21 Clean
Padre Dam MWD Santee, CA 93,859 4 Detected
City of Merced Merced, CA 93,692 11 Detected
Houston County-Feagin Mill Warner Robins, GA 92,971 14 Clean
Coweta Water & Sewer Auth. Newnan, GA 92,907 33 Clean
City of Redwood City Redwood City, CA 92,819 8 Clean
Lawton Lawton, OK 92,757 171 Clean
Hillsboro, City Of Hillsboro, OR 92,632 9 Clean
Cal Am Water Company - Monterey Pacific Grove, CA 92,450 17 Detected
Johnston Co-West Smithfield, NC 92,365 20 Detected
City of Fort Myers Water Treatment Plant Fort Myers, FL 92,219 22 Clean
City of Hagerstown Hagerstown, MD 92,200 14 Clean
Anza Community Hall Anza, CA 92,019 18 -
North Penn Water Authority Lansdale, PA 91,941 209 Detected
Mt Pleasant Water Works (1010002) Mount Pleasant, SC 91,500 17 Detected
Bloomington Bloomington, MN 91,300 15 Detected
Ute Wcd Grand Junction, CO 91,186 19 Clean
Warren County Water District Bowling Green, KY 91,118 670 Clean
Jackson Water System Jackson, TN 91,111 19 Detected
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