Kings County, California — public water systems
At a glance
43 active public water systems are filed under Kings County, California in EPA's SDWIS records, together reporting 155,929 people served. The largest is City of Hanford, which reports serving 62,127 people. 13 are community water systems serving people where they live; the other 30 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
43
Population served
155.9K
Community systems
13
Groundwater share
88.4%
How does Kings County compare with other California counties?
Kings County has the 48th-most active public water systems among the 201 counties listed for active California systems in EPA records; among the 72 with 3 or more systems, the median has 73. Its systems report 155,929 people served in total, the 34th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 3,626 people, about 36% below the California average of 5,706. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Kings County's drinking water come from?
By primary water source, Kings County's active systems draw on groundwater (38, 88%) and surface water (5, 12%). Overall, 88% rely mainly on groundwater (including purchased groundwater) and 12% on surface water, compared with 85% and 15% across California. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Hanford, draws primarily on groundwater.
What kinds of water systems operate in Kings County?
Kings County's active systems break down as 13 community systems (30%), 12 non-transient non-community systems (28%) and 18 transient non-community systems (42%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (63%), local government (35%) and federal government (2.3%).
Water systems in Kings County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Hanford, City of | Kings | 62,127 | Community | Groundwater |
| 2 | Lemoore, City of | Kings | 27,185 | Community | Groundwater |
| 3 | Corcoran, City of | Kings | 22,808 | Community | Groundwater |
| 4 | Lemoore Naval Air Station | Kings | 15,000 | Community | Surface water |
| 5 | Avenal, City of | Kings | 13,696 | Community | Surface water |
| 6 | Armona Community Services Dist | Kings | 4,143 | Community | Groundwater |
| 7 | Home Garden Csd | Kings | 1,750 | Community | Groundwater |
| 8 | Stratford PUD | Kings | 1,277 | Community | Groundwater |
| 9 | Kettleman City Csd | Kings | 1,242 | Community | Surface water |
| 10 | Kings River Hardwick School | Kings | 908 | Non-transient non-community | Groundwater |
| 11 | Central Valley Meat Co Inc. | Kings | 812 | Non-transient non-community | Groundwater |
| 12 | Pioneer Elementary School | Kings | 750 | Non-transient non-community | Groundwater |
| 13 | Wsl - Surf Ranch | Kings | 535 | Transient non-community | Groundwater |
| 14 | Island Union School | Kings | 416 | Non-transient non-community | Groundwater |
| 15 | Sunset Vista Estates MHP | Kings | 400 | Community | Groundwater |
| 16 | Lakeside Elementary School | Kings | 388 | Non-transient non-community | Groundwater |
| 17 | Nichols Farms | Kings | 375 | Non-transient non-community | Groundwater |
| 18 | Hanford First Baptist Church | Kings | 350 | Transient non-community | Groundwater |
| 19 | A & M Livestock Auction | Kings | 200 | Transient non-community | Groundwater |
| 20 | Hanford Christian School | Kings | 175 | Non-transient non-community | Groundwater |
| 21 | Keenan Farms Inc.. | Kings | 174 | Non-transient non-community | Surface water |
| 22 | Warmerdam Packing LLC | Kings | 150 | Transient non-community | Groundwater |
| 23 | Burris Park | Kings | 126 | Transient non-community | Groundwater |
| 24 | Hickey Park | Kings | 104 | Transient non-community | Groundwater |
| 25 | Homegrown Cold Storage | Kings | 100 | Transient non-community | Groundwater |
| 26 | Morning Star King, LLC | Kings | 80 | Non-transient non-community | Groundwater |
| 27 | Azcal Management Co | Kings | 73 | Community | Surface water |
| 28 | Hardwick Water Company | Kings | 69 | Community | Groundwater |
| 29 | Westside Harvesting, LLC | Kings | 53 | Non-transient non-community | Groundwater |
| 30 | Netto Ag Inc.. | Kings | 50 | Non-transient non-community | Groundwater |
| 31 | 15th Avenue | Kings | 50 | Community | Groundwater |
| 32 | Kings Country Club | Kings | 50 | Transient non-community | Groundwater |
| 33 | Baker Commodities Inc.. | Kings | 47 | Non-transient non-community | Groundwater |
| 34 | Kings Rest Motel | Kings | 30 | Transient non-community | Groundwater |
| 35 | Cesar Arevalo Rentals | Kings | 30 | Transient non-community | Groundwater |
| 36 | Grangeville Market | Kings | 30 | Transient non-community | Groundwater |
| 37 | Farmers Mini Mart | Kings | 26 | Transient non-community | Groundwater |
| 38 | Overland Stockyard | Kings | 25 | Transient non-community | Groundwater |
| 39 | Kingston-Laton Park | Kings | 25 | Transient non-community | Groundwater |
| 40 | Gill'S Truck Stop | Kings | 25 | Transient non-community | Groundwater |
| 41 | La Fuente Market Ii(Wa) | Kings | 25 | Transient non-community | Groundwater |
| 42 | Westside Lockers | Kings | 25 | Transient non-community | Groundwater |
| 43 | Kwik Break Deli Mart | Kings | 25 | Transient non-community | Groundwater |
Kings County water systems: frequently asked questions
How many public water systems are in Kings County, California?
EPA's SDWIS records file 43 active public water systems under Kings County, California: 13 community systems (30%), 12 non-transient non-community systems (28%) and 18 transient non-community systems (42%).
Who supplies drinking water in Kings County, CA?
The largest community water systems filed under Kings County are City of Hanford (62,127 people served), City of Lemoore (27,185 people served) and City of Corcoran (22,808 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Kings County's drinking water come from groundwater or surface water?
Of the 43 active public water systems in Kings County, 88% draw mainly on groundwater and 12% on surface water, counting purchased supplies. The largest system, City of Hanford, uses groundwater.
Where can I find a water quality report for Kings County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 13 community systems are filed under Kings County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Kings County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More California water systems
- All California public water systems· 7,479 active
- Lassen County· 51 systems
- San Mateo County· 51 systems
- Marin County· 46 systems
- Orange County· 46 systems
- Trinity County· 42 systems
- Alpine County· 35 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Kings County, California”, https://aquacensus.com/water-systems/california/kings (data as of October 1, 2026).