# Backflow Testers

> Find a backflow tester for your property.

Answer a few questions about your service, location and timing to be matched with backflow testers. Add your contact details and consent. Coverage is limited to listed locations and grows as registers are added. Confirm utility registration before you book.

## Backflow testers by city

- [Indianapolis, IN, United States](https://backflowtesters.fyi/us/in/indianapolis.md): 9 backflow testers
- [Raleigh, NC, United States](https://backflowtesters.fyi/us/nc/raleigh.md): 8 backflow testers
- [Saskatoon, SK, Canada](https://backflowtesters.fyi/ca/sk/saskatoon.md): 7 backflow testers
- [Fort Wayne, IN, United States](https://backflowtesters.fyi/us/in/fort-wayne.md): 5 backflow testers
- [Kansas City, KS, United States](https://backflowtesters.fyi/us/ks/kansas-city.md): 5 backflow testers
- [Overland Park, KS, United States](https://backflowtesters.fyi/us/ks/overland-park.md): 4 backflow testers
- [Owensboro, KY, United States](https://backflowtesters.fyi/us/ky/owensboro.md): 4 backflow testers
- [Bend, OR, United States](https://backflowtesters.fyi/us/or/bend.md): 3 backflow testers
- [Chicago, IL, United States](https://backflowtesters.fyi/us/il/chicago.md): 3 backflow testers
- [Dallas, TX, United States](https://backflowtesters.fyi/us/tx/dallas.md): 3 backflow testers
- [Fort Worth, TX, United States](https://backflowtesters.fyi/us/tx/fort-worth.md): 3 backflow testers
- [Kansas City, MO, United States](https://backflowtesters.fyi/us/mo/kansas-city.md): 3 backflow testers
- [Akron, OH, United States](https://backflowtesters.fyi/us/oh/akron.md): 2 backflow testers
- [Bartlett, TN, United States](https://backflowtesters.fyi/us/tn/bartlett.md): 2 backflow testers
- [Canton, OH, United States](https://backflowtesters.fyi/us/oh/canton.md): 2 backflow testers
- [Carrollton, TX, United States](https://backflowtesters.fyi/us/tx/carrollton.md): 2 backflow testers
- [Cary, IL, United States](https://backflowtesters.fyi/us/il/cary.md): 2 backflow testers
- [College Point, NY, United States](https://backflowtesters.fyi/us/ny/college-point.md): 2 backflow testers
- [Denton, TX, United States](https://backflowtesters.fyi/us/tx/denton.md): 2 backflow testers
- [Dover, OH, United States](https://backflowtesters.fyi/us/oh/dover.md): 2 backflow testers
- [Eugene, OR, United States](https://backflowtesters.fyi/us/or/eugene.md): 2 backflow testers
- [Fredericton, NB, Canada](https://backflowtesters.fyi/ca/nb/fredericton.md): 2 backflow testers
- [Garner, NC, United States](https://backflowtesters.fyi/us/nc/garner.md): 2 backflow testers
- [Goldsboro, NC, United States](https://backflowtesters.fyi/us/nc/goldsboro.md): 2 backflow testers
- [Lake Bluff, IL, United States](https://backflowtesters.fyi/us/il/lake-bluff.md): 2 backflow testers
- [Lake Zurich, IL, United States](https://backflowtesters.fyi/us/il/lake-zurich.md): 2 backflow testers
- [Lee's Summit, MO, United States](https://backflowtesters.fyi/us/mo/lees-summit.md): 2 backflow testers
- [Lenexa, KS, United States](https://backflowtesters.fyi/us/ks/lenexa.md): 2 backflow testers
- [Massillon, OH, United States](https://backflowtesters.fyi/us/oh/massillon.md): 2 backflow testers
- [Memphis, TN, United States](https://backflowtesters.fyi/us/tn/memphis.md): 2 backflow testers
- [New Castle, IN, United States](https://backflowtesters.fyi/us/in/new-castle.md): 2 backflow testers
- [Newburgh, IN, United States](https://backflowtesters.fyi/us/in/newburgh.md): 2 backflow testers
- [Northbrook, IL, United States](https://backflowtesters.fyi/us/il/northbrook.md): 2 backflow testers
- [Olathe, KS, United States](https://backflowtesters.fyi/us/ks/olathe.md): 2 backflow testers
- [Peterborough, ON, Canada](https://backflowtesters.fyi/ca/on/peterborough.md): 2 backflow testers
- [Philadelphia, PA, United States](https://backflowtesters.fyi/us/pa/philadelphia.md): 2 backflow testers
- [Salem, OR, United States](https://backflowtesters.fyi/us/or/salem.md): 2 backflow testers
- [Salt Lake City, UT, United States](https://backflowtesters.fyi/us/ut/salt-lake-city.md): 2 backflow testers
- [Toledo, OH, United States](https://backflowtesters.fyi/us/oh/toledo.md): 2 backflow testers
- [Washington, DC, United States](https://backflowtesters.fyi/us/dc/washington.md): 2 backflow testers
- [Waterloo, IA, United States](https://backflowtesters.fyi/us/ia/waterloo.md): 2 backflow testers
- [Allen, TX, United States](https://backflowtesters.fyi/us/tx/allen.md): 1 backflow tester
- [Alsip, IL, United States](https://backflowtesters.fyi/us/il/alsip.md): 1 backflow tester
- [Apex, NC, United States](https://backflowtesters.fyi/us/nc/apex.md): 1 backflow tester
- [Arlington, TN, United States](https://backflowtesters.fyi/us/tn/arlington.md): 1 backflow tester
- [Arlington, TX, United States](https://backflowtesters.fyi/us/tx/arlington.md): 1 backflow tester
- [Asheville, NC, United States](https://backflowtesters.fyi/us/nc/asheville.md): 1 backflow tester
- [Ashland, OH, United States](https://backflowtesters.fyi/us/oh/ashland.md): 1 backflow tester
- [Auburn, NH, United States](https://backflowtesters.fyi/us/nh/auburn.md): 1 backflow tester
- [Austin, TX, United States](https://backflowtesters.fyi/us/tx/austin.md): 1 backflow tester
- [Bayville, NY, United States](https://backflowtesters.fyi/us/ny/bayville.md): 1 backflow tester
- [Beach City, OH, United States](https://backflowtesters.fyi/us/oh/beach-city.md): 1 backflow tester
- [Beaverton, OR, United States](https://backflowtesters.fyi/us/or/beaverton.md): 1 backflow tester
- [Beltsville, MD, United States](https://backflowtesters.fyi/us/md/beltsville.md): 1 backflow tester
- [Bladensburg, MD, United States](https://backflowtesters.fyi/us/md/bladensburg.md): 1 backflow tester
- [Bloomington, IN, United States](https://backflowtesters.fyi/us/in/bloomington.md): 1 backflow tester
- [Bohemia, NY, United States](https://backflowtesters.fyi/us/ny/bohemia.md): 1 backflow tester
- [Bridgeview, IL, United States](https://backflowtesters.fyi/us/il/bridgeview.md): 1 backflow tester
- [Broadview, IL, United States](https://backflowtesters.fyi/us/il/broadview.md): 1 backflow tester
- [Brookfield, IL, United States](https://backflowtesters.fyi/us/il/brookfield.md): 1 backflow tester
- [Brooklyn, NY, United States](https://backflowtesters.fyi/us/ny/brooklyn.md): 1 backflow tester
- [Burleson, TX, United States](https://backflowtesters.fyi/us/tx/burleson.md): 1 backflow tester
- [Burlington, MA, United States](https://backflowtesters.fyi/us/ma/burlington.md): 1 backflow tester
- [Calumet City, IL, United States](https://backflowtesters.fyi/us/il/calumet-city.md): 1 backflow tester
- [Cambridge, NY, United States](https://backflowtesters.fyi/us/ny/cambridge.md): 1 backflow tester
- [Carey, OH, United States](https://backflowtesters.fyi/us/oh/carey.md): 1 backflow tester
- [Cary, NC, United States](https://backflowtesters.fyi/us/nc/cary.md): 1 backflow tester
- [Charlottesville, VA, United States](https://backflowtesters.fyi/us/va/charlottesville.md): 1 backflow tester
- [China Grove, NC, United States](https://backflowtesters.fyi/us/nc/china-grove.md): 1 backflow tester
- [Clayton, NC, United States](https://backflowtesters.fyi/us/nc/clayton.md): 1 backflow tester
- [Cobourg, ON, Canada](https://backflowtesters.fyi/ca/on/cobourg.md): 1 backflow tester
- [Collierville, TN, United States](https://backflowtesters.fyi/us/tn/collierville.md): 1 backflow tester
- [Columbia, MO, United States](https://backflowtesters.fyi/us/mo/columbia.md): 1 backflow tester
- [Columbia City, IN, United States](https://backflowtesters.fyi/us/in/columbia-city.md): 1 backflow tester
- [Columbus, IN, United States](https://backflowtesters.fyi/us/in/columbus.md): 1 backflow tester
- [Concord, CA, United States](https://backflowtesters.fyi/us/ca/concord.md): 1 backflow tester
- [Concord, ON, Canada](https://backflowtesters.fyi/ca/on/concord.md): 1 backflow tester
- [Coos Bay, OR, United States](https://backflowtesters.fyi/us/or/coos-bay.md): 1 backflow tester
- [Corman Park, SK, Canada](https://backflowtesters.fyi/ca/sk/corman-park.md): 1 backflow tester
- [Crystal Lake, IL, United States](https://backflowtesters.fyi/us/il/crystal-lake.md): 1 backflow tester
- [Decatur, TX, United States](https://backflowtesters.fyi/us/tx/decatur.md): 1 backflow tester
- [Deer Park, NY, United States](https://backflowtesters.fyi/us/ny/deer-park.md): 1 backflow tester
- [Demotte, IN, United States](https://backflowtesters.fyi/us/in/demotte.md): 1 backflow tester
- [Des Moines, IA, United States](https://backflowtesters.fyi/us/ia/des-moines.md): 1 backflow tester
- [Desoto, KS, United States](https://backflowtesters.fyi/us/ks/desoto.md): 1 backflow tester
- [Duncanville, TX, United States](https://backflowtesters.fyi/us/tx/duncanville.md): 1 backflow tester
- [Durango, CO, United States](https://backflowtesters.fyi/us/co/durango.md): 1 backflow tester
- [East Rockaway, NY, United States](https://backflowtesters.fyi/us/ny/east-rockaway.md): 1 backflow tester
- [Elmhurst, IL, United States](https://backflowtesters.fyi/us/il/elmhurst.md): 1 backflow tester
- [Elmont, NY, United States](https://backflowtesters.fyi/us/ny/elmont.md): 1 backflow tester
- [Elon, NC, United States](https://backflowtesters.fyi/us/nc/elon.md): 1 backflow tester
- [Etobicoke, ON, Canada](https://backflowtesters.fyi/ca/on/etobicoke.md): 1 backflow tester
- [Euclid, OH, United States](https://backflowtesters.fyi/us/oh/euclid.md): 1 backflow tester
- [Evanston, IL, United States](https://backflowtesters.fyi/us/il/evanston.md): 1 backflow tester
- [Farmingdale, NY, United States](https://backflowtesters.fyi/us/ny/farmingdale.md): 1 backflow tester
- [Findlay, OH, United States](https://backflowtesters.fyi/us/oh/findlay.md): 1 backflow tester
- [Franklin, IN, United States](https://backflowtesters.fyi/us/in/franklin.md): 1 backflow tester
- [Franklin Square, NY, United States](https://backflowtesters.fyi/us/ny/franklin-square.md): 1 backflow tester
- [Fredrick, MD, United States](https://backflowtesters.fyi/us/md/fredrick.md): 1 backflow tester
- [Fremont, OH, United States](https://backflowtesters.fyi/us/oh/fremont.md): 1 backflow tester
- [Frisco, TX, United States](https://backflowtesters.fyi/us/tx/frisco.md): 1 backflow tester
- [Fuquay Varina, NC, United States](https://backflowtesters.fyi/us/nc/fuquay-varina.md): 1 backflow tester
- [Gaithersburg, MD, United States](https://backflowtesters.fyi/us/md/gaithersburg.md): 1 backflow tester
- [Georgetown, IN, United States](https://backflowtesters.fyi/us/in/georgetown.md): 1 backflow tester
- [Glenn Dale, MD, United States](https://backflowtesters.fyi/us/md/glenn-dale.md): 1 backflow tester
- [Grandview, MO, United States](https://backflowtesters.fyi/us/mo/grandview.md): 1 backflow tester
- [Grapevine, TX, United States](https://backflowtesters.fyi/us/tx/grapevine.md): 1 backflow tester
- [Greenwood, MO, United States](https://backflowtesters.fyi/us/mo/greenwood.md): 1 backflow tester
- [Halethorpe, MD, United States](https://backflowtesters.fyi/us/md/halethorpe.md): 1 backflow tester
- [Haskins, OH, United States](https://backflowtesters.fyi/us/oh/haskins.md): 1 backflow tester
- [Hickory, NC, United States](https://backflowtesters.fyi/us/nc/hickory.md): 1 backflow tester
- [Highland Park, IL, United States](https://backflowtesters.fyi/us/il/highland-park.md): 1 backflow tester
- [Hinsdale, IL, United States](https://backflowtesters.fyi/us/il/hinsdale.md): 1 backflow tester
- [Holly Springs, NC, United States](https://backflowtesters.fyi/us/nc/holly-springs.md): 1 backflow tester
- [Hudson, IN, United States](https://backflowtesters.fyi/us/in/hudson.md): 1 backflow tester
- [Hunt Valey, MD, United States](https://backflowtesters.fyi/us/md/hunt-valey.md): 1 backflow tester
- [Huntington, IL, United States](https://backflowtesters.fyi/us/il/huntington.md): 1 backflow tester
- [Hurst, TX, United States](https://backflowtesters.fyi/us/tx/hurst.md): 1 backflow tester
- [Kennedale, TX, United States](https://backflowtesters.fyi/us/tx/kennedale.md): 1 backflow tester
- [Kenosha, WI, United States](https://backflowtesters.fyi/us/wi/kenosha.md): 1 backflow tester
- [Kensington, MD, United States](https://backflowtesters.fyi/us/md/kensington.md): 1 backflow tester
- [Knoxville, TN, United States](https://backflowtesters.fyi/us/tn/knoxville.md): 1 backflow tester
- [LaGrande, OR, United States](https://backflowtesters.fyi/us/or/lagrande.md): 1 backflow tester
- [Lake Forest, IL, United States](https://backflowtesters.fyi/us/il/lake-forest.md): 1 backflow tester
- [Lansing, MI, United States](https://backflowtesters.fyi/us/mi/lansing.md): 1 backflow tester
- [Leawood, KS, United States](https://backflowtesters.fyi/us/ks/leawood.md): 1 backflow tester
- [Liberty, NC, United States](https://backflowtesters.fyi/us/nc/liberty.md): 1 backflow tester
- [Lindsay, ON, Canada](https://backflowtesters.fyi/ca/on/lindsay.md): 1 backflow tester
- [Louisville, KY, United States](https://backflowtesters.fyi/us/ky/louisville.md): 1 backflow tester
- [Lovingston, VA, United States](https://backflowtesters.fyi/us/va/lovingston.md): 1 backflow tester
- [Lynbrook, NY, United States](https://backflowtesters.fyi/us/ny/lynbrook.md): 1 backflow tester
- [Lynchburg, VA, United States](https://backflowtesters.fyi/us/va/lynchburg.md): 1 backflow tester
- [Mabank, TX, United States](https://backflowtesters.fyi/us/tx/mabank.md): 1 backflow tester
- [Mansfield, OH, United States](https://backflowtesters.fyi/us/oh/mansfield.md): 1 backflow tester
- [Mansfield, TX, United States](https://backflowtesters.fyi/us/tx/mansfield.md): 1 backflow tester
- [Maumee, OH, United States](https://backflowtesters.fyi/us/oh/maumee.md): 1 backflow tester
- [McMinnville, OR, United States](https://backflowtesters.fyi/us/or/mcminnville.md): 1 backflow tester
- [Medford, NY, United States](https://backflowtesters.fyi/us/ny/medford.md): 1 backflow tester
- [Medina, OH, United States](https://backflowtesters.fyi/us/oh/medina.md): 1 backflow tester
- [Merrillville, IN, United States](https://backflowtesters.fyi/us/in/merrillville.md): 1 backflow tester
- [Mesquite, TX, United States](https://backflowtesters.fyi/us/tx/mesquite.md): 1 backflow tester
- [Michigan City, IN, United States](https://backflowtesters.fyi/us/in/michigan-city.md): 1 backflow tester
- [Milwaukie, OR, United States](https://backflowtesters.fyi/us/or/milwaukie.md): 1 backflow tester
- [Mineral RIdge, OH, United States](https://backflowtesters.fyi/us/oh/mineral-ridge.md): 1 backflow tester
- [Mishawaka, IN, United States](https://backflowtesters.fyi/us/in/mishawaka.md): 1 backflow tester
- [Mission, KS, United States](https://backflowtesters.fyi/us/ks/mission.md): 1 backflow tester
- [Mississauga, ON, Canada](https://backflowtesters.fyi/ca/on/mississauga.md): 1 backflow tester
- [Mooresville, IN, United States](https://backflowtesters.fyi/us/in/mooresville.md): 1 backflow tester
- [Morgantown, IN, United States](https://backflowtesters.fyi/us/in/morgantown.md): 1 backflow tester
- [Mt Holly, NC, United States](https://backflowtesters.fyi/us/nc/mt-holly.md): 1 backflow tester
- [Mt. Crawford, VA, United States](https://backflowtesters.fyi/us/va/mt-crawford.md): 1 backflow tester
- [Muncie, IN, United States](https://backflowtesters.fyi/us/in/muncie.md): 1 backflow tester
- [Murray, UT, United States](https://backflowtesters.fyi/us/ut/murray.md): 1 backflow tester
- [N Kansas City, MO, United States](https://backflowtesters.fyi/us/mo/n-kansas-city.md): 1 backflow tester
- [New Hyde Park, NY, United States](https://backflowtesters.fyi/us/ny/new-hyde-park.md): 1 backflow tester
- [Newberg, OR, United States](https://backflowtesters.fyi/us/or/newberg.md): 1 backflow tester
- [Newtown Square, PA, United States](https://backflowtesters.fyi/us/pa/newtown-square.md): 1 backflow tester
- [Omaha, NE, United States](https://backflowtesters.fyi/us/ne/omaha.md): 1 backflow tester
- [Orangeville, ON, Canada](https://backflowtesters.fyi/ca/on/orangeville.md): 1 backflow tester
- [Oxford, NC, United States](https://backflowtesters.fyi/us/nc/oxford.md): 1 backflow tester
- [Palmyra, VA, United States](https://backflowtesters.fyi/us/va/palmyra.md): 1 backflow tester
- [Pasadena, TX, United States](https://backflowtesters.fyi/us/tx/pasadena.md): 1 backflow tester
- [Perrysburg, OH, United States](https://backflowtesters.fyi/us/oh/perrysburg.md): 1 backflow tester
- [Pfafftown, NC, United States](https://backflowtesters.fyi/us/nc/pfafftown.md): 1 backflow tester
- [Pickering, ON, Canada](https://backflowtesters.fyi/ca/on/pickering.md): 1 backflow tester
- [Piperton, TN, United States](https://backflowtesters.fyi/us/tn/piperton.md): 1 backflow tester
- [Platte City, MO, United States](https://backflowtesters.fyi/us/mo/platte-city.md): 1 backflow tester
- [Pleasant Hill, MO, United States](https://backflowtesters.fyi/us/mo/pleasant-hill.md): 1 backflow tester
- [Port Washington, NY, United States](https://backflowtesters.fyi/us/ny/port-washington.md): 1 backflow tester
- [Portage, IN, United States](https://backflowtesters.fyi/us/in/portage.md): 1 backflow tester
- [Portland, OR, United States](https://backflowtesters.fyi/us/or/portland.md): 1 backflow tester
- [Richardson, TX, United States](https://backflowtesters.fyi/us/tx/richardson.md): 1 backflow tester
- [Richmond, VA, United States](https://backflowtesters.fyi/us/va/richmond.md): 1 backflow tester
- [Richmond Hill, ON, Canada](https://backflowtesters.fyi/ca/on/richmond-hill.md): 1 backflow tester
- [Ringwood, IL, United States](https://backflowtesters.fyi/us/il/ringwood.md): 1 backflow tester
- [Roanoke, VA, United States](https://backflowtesters.fyi/us/va/roanoke.md): 1 backflow tester
- [Rocky Mount, NC, United States](https://backflowtesters.fyi/us/nc/rocky-mount.md): 1 backflow tester
- [Rosedale, NY, United States](https://backflowtesters.fyi/us/ny/rosedale.md): 1 backflow tester
- [Round Rock, TX, United States](https://backflowtesters.fyi/us/tx/round-rock.md): 1 backflow tester
- [Rowlett, TX, United States](https://backflowtesters.fyi/us/tx/rowlett.md): 1 backflow tester
- [Saginaw, TX, United States](https://backflowtesters.fyi/us/tx/saginaw.md): 1 backflow tester
- [San Antonio, TX, United States](https://backflowtesters.fyi/us/tx/san-antonio.md): 1 backflow tester
- [Sauk Rapids, MN, United States](https://backflowtesters.fyi/us/mn/sauk-rapids.md): 1 backflow tester
- [Shelbyville, IN, United States](https://backflowtesters.fyi/us/in/shelbyville.md): 1 backflow tester
- [Silver Spring, MD, United States](https://backflowtesters.fyi/us/md/silver-spring.md): 1 backflow tester
- [Smithville, IN, United States](https://backflowtesters.fyi/us/in/smithville.md): 1 backflow tester
- [South Bend, IN, United States](https://backflowtesters.fyi/us/in/south-bend.md): 1 backflow tester
- [Spencer, IN, United States](https://backflowtesters.fyi/us/in/spencer.md): 1 backflow tester
- [Springtown, TX, United States](https://backflowtesters.fyi/us/tx/springtown.md): 1 backflow tester
- [St John, IN, United States](https://backflowtesters.fyi/us/in/st-john.md): 1 backflow tester
- [St. Helens, OR, United States](https://backflowtesters.fyi/us/or/st-helens.md): 1 backflow tester
- [Staunton, VA, United States](https://backflowtesters.fyi/us/va/staunton.md): 1 backflow tester
- [Sunnyvale, TX, United States](https://backflowtesters.fyi/us/tx/sunnyvale.md): 1 backflow tester
- [Sunset, UT, United States](https://backflowtesters.fyi/us/ut/sunset.md): 1 backflow tester
- [Sylvania, OH, United States](https://backflowtesters.fyi/us/oh/sylvania.md): 1 backflow tester
- [Temperance, MI, United States](https://backflowtesters.fyi/us/mi/temperance.md): 1 backflow tester
- [Thomasville, NC, United States](https://backflowtesters.fyi/us/nc/thomasville.md): 1 backflow tester
- [Tolar, TX, United States](https://backflowtesters.fyi/us/tx/tolar.md): 1 backflow tester
- [Topeka, KS, United States](https://backflowtesters.fyi/us/ks/topeka.md): 1 backflow tester
- [Upper Marlboro, MD, United States](https://backflowtesters.fyi/us/md/upper-marlboro.md): 1 backflow tester
- [Valley City, OH, United States](https://backflowtesters.fyi/us/oh/valley-city.md): 1 backflow tester
- [Vancouver, WA, United States](https://backflowtesters.fyi/us/wa/vancouver-region.md): 1 backflow tester
- [Volo, IL, United States](https://backflowtesters.fyi/us/il/volo.md): 1 backflow tester
- [Waxahachie, TX, United States](https://backflowtesters.fyi/us/tx/waxahachie.md): 1 backflow tester
- [Wichita, KS, United States](https://backflowtesters.fyi/us/ks/wichita.md): 1 backflow tester
- [Woodmere, NY, United States](https://backflowtesters.fyi/us/ny/woodmere.md): 1 backflow tester
- [Woodstock, IL, United States](https://backflowtesters.fyi/us/il/woodstock.md): 1 backflow tester

## Backflow guides

- [What a backflow test costs](https://backflowtesters.fyi/guides/backflow-test-cost.md): Use a dated US price range and a scope checklist to compare written quotes.
- [Backflow testing frequency by state](https://backflowtesters.fyi/guides/backflow-testing-frequency-by-state.md): Selected official rules for Washington, California and Texas, plus a Canadian utility example.
- [How to become a certified backflow tester](https://backflowtesters.fyi/guides/become-certified-backflow-tester.md): Check local acceptance before you choose an ASSE, ABPA or state certification route.
- [How to choose a backflow tester](https://backflowtesters.fyi/guides/choose-backflow-tester.md): Confirm the named tester, utility acceptance, written scope and report handling.
- [Irrigation and fire line backflow rules](https://backflowtesters.fyi/guides/irrigation-fire-line-backflow-rules.md): Check system use, hazards and local acceptance before booking testing or repairs.
- [How to read a backflow test report](https://backflowtesters.fyi/guides/read-backflow-test-report.md): Check identity, initial results, repair notes and the final report before closing a notice.
- [RP, DC, PVB and SVB assemblies](https://backflowtesters.fyi/guides/rp-dc-pvb-svb-assemblies.md): Recognise the main assembly types without choosing or changing protection yourself.
- [What a backflow test checks](https://backflowtesters.fyi/guides/what-is-a-backflow-test.md): Understand the assembly test, the report and the utility notice before you book.

## Questions

### How do I find a backflow tester?

Answer a few questions about the service you need, your location and your timing. Add details, your contact information and consent so we can match your request with testers. Check their current credentials with your water utility before you book.

### Where is there coverage?

As of 2026-11-10, we have 281 listings: 261 in the US and 20 in Canada. Canadian coverage is small: 10 listings in Ontario, 8 in Saskatchewan and only 2 in New Brunswick. Coverage is limited to listed locations, not nationwide. A listed address does not establish a service area.

### Does a listing certify a tester?

No. We publish records from backflow tester registers, vendor-run registration portals and business websites. A listing or paid badge does not certify a tester. Confirm current credentials with your water utility.

### Where did the data come from?

We use these registers and vendor-run registration portals: Oregon Health Authority — Public Tester List; City of Saskatoon — Licensed Backflow Testers; City of Fort Worth — VEPO Registered Backflow Testers; Salt Lake City Department of Public Utilities — Backflow Assembly Testers; DC Water — Registered BPA Service Providers; WaterOne — Approved Backflow Testers; City of Owen Sound — Qualified Contractors for Testing Backflows; Memphis Light, Gas and Water — Approved Testing Companies; City of Fredericton — Businesses Employing Certified CCC Device Testers; City of Charlottesville — Certified Backflow Assembly Testing Companies; City of Durango — Licensed Certified Cross Connection Control Technicians; Alameda County Water District — Approved Backflow Prevention Testers; Aqua Backflow — vendor-run registration portal (utility registration must be confirmed); Davidson Water, Inc. — Approved Cross Connection Testers; Town of Fuquay-Varina — Backflow Testing Companies; City of Peterborough — Cross Connection Registered Testers; Town of Holly Springs — Certified Backflow Testers (Aqua Resource); Philadelphia Water Department — Backflow Prevention Technicians for Fire Systems. Overture Maps Places supplies matched websites, street addresses and map pins. Photos come from each business’s own website. Checked 2026-11-10. Each listing names its source. Owners can claim a listing and supply service details.