Free water testing
37 free programs in 25 states. Most are for private wells, and most limit who can use them.
California
- Free Well Testing via Valley Water CollaborativeWho: Subject to grant funding availability
- Kings Water Alliance Free Well Testing and Bottled Water Delivery · NitrateWho: Must live within the Kings Water Alliance service area and rely on a private well for drinking water
Colorado
- PFAS Testing and Assistance Program (PFAS TAP) · PFAS, PFHxS, PFNA, GenXWho: Anyone with a private well in Colorado
- Weld County Free Well VOC Testing Program · Volatile organic compounds (VOC)Who: Weld County residents whose primary drinking water source is a private well
Connecticut
- Free PFAS Well Water Testing, select CT areas (UConn CTIWR) · PFASWho: Only private well owners whose home address falls within select eligible areas shown on the program's interactive map qualify
District of Columbia
- Free Lead Test Kit · LeadWho: DC Water residential and commercial customers
Florida
- Hernando County Well Surveillance Program, Free Arsenic Sampling · ArsenicWho: Residents of the Spring Lake area of Hernando County
Illinois
- Chicago Department of Water Management Free Lead Water Test · LeadWho: Any Chicago resident concerned about lead in their home's water
Iowa
- Iowa Private Well Grants Program (PWG) · Bacteria, E. coli, Nitrate, ArsenicWho: All private well owners and users in Iowa
Kansas
- Lawrence-Douglas County Public Health Free Well Water Testing · Bacteria, E. coli, NitrateWho: Residents with private wells, property owners across Douglas County, Kansas
Maine
- Free Well Water Test Kit for Low-Income Residents · ArsenicWho: Low-income Maine residents who are currently eligible for MaineCare, SNAP, TANF or other benefit programs
Minnesota
- Dakota County Community-Focused Sampling Program · Bacteria, Nitrate, Manganese, ArsenicWho: Households and businesses in Greenvale, Castle Rock, Eureka, Waterford, Sciota, and Randolph townships, plus the cities of Randolph and Northfield
Missouri
- Free Well Water Assessment and Testing, Individual Well Program · Contamination screening (general)Who: Private well owners in Missouri, Iowa, Kansas, or Minnesota
- Water Sample Testing, Minerals and Heavy Metals (Free) · Minerals, Heavy metals
Nebraska
- Three Rivers Public Health Department Free Well Water Testing · Bacteria, NitrateWho: Residents of Dodge, Saunders, and Washington counties, Nebraska
Nevada
- Free Well Water Testing (UNLV College of Engineering and SNHD Partnership) · Lead, Arsenic, BacteriaWho: Property owners with a private well at a Southern Nevada address (a specific list of qualifying zip codes is required on the form)
New Hampshire
- Free Lead in Water Testing Kits for Water Customers · LeadWho: Portsmouth water system customers only, concerned about lead from household pipes and fixtures
New Jersey
- Free Lead Testing Kits · LeadWho: PVWC water customers (Paterson, Clifton, Passaic, and other service area residents) concerned about lead in their drinking water
- South Jersey Private Well Outreach: Free Radioactivity, Iron, and Manganese Testing · Radioactivity (gross alpha), Iron, ManganeseWho: Private well owners who live in an eligible South Jersey municipality
New Mexico
- ABCWUA Lead Sample Kit Testing · LeadWho: Testing is only available to Water Authority Customers
New York
- Free Residential Lead Testing Program · LeadWho: NYC residents on the city public water supply
- Private Well PFAS Testing and Mitigation Rebate Pilot Program · PFASWho: Must get household drinking water from a private well in Dutchess, Orange, Putnam, Suffolk, Ulster, or Westchester County while that county is accepting applications
North Dakota
- Free Well Water Assessment and Testing, Individual Well Program · Contamination screening (general)Who: Private well owners in North Dakota
Oregon
- Domestic Well Testing Vouchers (LUBGWMA) · Bacteria, Nitrate, ArsenicWho: Applications for free well test vouchers are available for residents in the LUBGWMA (Lower Umatilla Basin Groundwater Management Area) portion of Umatilla County
- Nitrates and Drinking Water Free Well Testing (Boardman/Irrigon) · NitrateWho: Domestic wells in the parts of Morrow County called the Lower Umatilla Basin Groundwater Management Area (LUBGWMA), around the Boardman and Irrigon area
- OSU Extension Well Water Program Free Nitrate Screening · NitrateWho: Open to Oregon well owners when the Well Water Program holds a screening event in their community
- The WELL Project Free Well Water Testing · Bacteria, Nitrate, Copper, Iron
Pennsylvania
- Free Lead and Copper Tap Water Test · Lead, CopperWho: Available to PWD customers at homes only
South Carolina
- Charleston Water System Free Lead Testing · Lead
- Mount Pleasant Waterworks Free Water Test Kit · Lead
- South Carolina Free Well Water Testing for Seniors and Public Assistance Recipients · Bacteria, Alkalinity, Calcium, ChlorideWho: Individuals over the age of 65, or those on public assistance such as food stamps, WIC, or Medicaid, with proof of a driver's license or proof of assistance
- Spartanburg Water Free Lead Testing · Lead
South Dakota
- Free Well Water Assessment and Testing, Individual Well Program · Contamination screening (general)Who: Private well owners in South Dakota
Texas
- Austin Water Free Lead Testing · LeadWho: residents of the Austin Water service area concerned about lead in their plumbing or fixtures
- Dallas Water Utilities Free Lead Testing · Lead
Washington
- Yakima Health District Free Well Testing, Lower Yakima Valley · Nitrate, BacteriaWho: Lower Yakima Valley residents who use private wells may qualify
Wisconsin
- Door County WellTAP Free Well Testing · Full panelWho: The well serves someone who is pregnant, a child 12 or under, or a person with weakened immune system
Checked October 1, 2026. Free programs fill up and close. Check the official page first.