Backflow Testing Near Me: Wisconsin

Backflow Testing in Wisconsin: Costs, Requirements & How to Find the Best Certified Testers

Wisconsin is nationally recognized as one of the three most regulated states for cross-connection control. NR 810.15 requires commercial surveys every 2 years and residential surveys every 10 years — the most comprehensive mandatory survey program in the nation. Annual testing required. DSPS certifies testers. Annual DNR report required from all water systems. Test reports go to both DSPS and the local utility.

Backflow Testing Near Me

Why Backflow Testing Matters in Wisconsin

Backflow Testing in Wisconsin

Wisconsin is in the top tier of U.S. cross-connection control regulation alongside California and Michigan. NR 810.15 requires comprehensive programs with biennial commercial surveys and decennial residential surveys, mandated CCC ordinance, annual DNR report submissions, and annual testing of all testable assemblies. DSPS certifies testers under SPS 382. Test reports go to both Wisconsin DSPS and the local water utility. Pressure and RPZ assemblies must be registered with DSPS. Milwaukee Water Works, Madison Water Utility, La Crosse Water, Green Bay, and other systems each implement NR 810.15-compliant programs.

Wisconsin Backflow Testing Law — The Plain-Language Version

Wisconsin NR 810.15 requires: biennial commercial surveys, decennial residential surveys, CCC ordinance, annual DNR report. DSPS-certified tester required under SPS 382. Test kits calibrated within 12 months. Test reports submitted to both DSPS and local utility. Pressure/RPZ assemblies registered with DSPS. Annual testing of all testable assemblies.

Full Wisconsin Backflow Law Details

Complete regulatory breakdown, certification requirements, and major utility programs: getyourbackflowtested.com/backflow-laws/wisconsin-backflow-prevention-laws

How Much Does Backflow Testing Cost in Wisconsin?

  • Milwaukee metro (Milwaukee Water Works, Waukesha County, Ozaukee County): $65 – $145 per assembly.

  • Madison metro (Madison Water, Middleton, Fitchburg, Sun Prairie, Verona): $65 – $145 per assembly.

  • Green Bay, Appleton, Oshkosh: $60 – $135 per assembly.

  • Racine, Kenosha, Janesville: $60 – $135 per assembly.

  • La Crosse, Eau Claire, Wausau: $60 – $130 per assembly.

How Long Does Backflow Testing Take in Wisconsin?

Standard tests: 25–45 minutes. Milwaukee commercial: multi-hour for NR 810.15 biennial surveys that combine cross-connection inspection with assembly testing. Dual filing: confirm your tester files with both DSPS and your utility. Assembly registration: testers should register new pressure/RPZ assemblies with DSPS.

What to Expect on Test Day

Your tester arrives, locates your backflow assembly (typically near the water meter or service entrance), and connects calibrated differential pressure gauges to the test cocks. Water shuts off for 15–30 minutes during testing. You receive a signed test report immediately. Pass: results are filed with your utility. Fail: the tester identifies the fault and repairs or returns within the required compliance window. Always confirm your tester files results with your utility — request confirmation before they leave.

How We Vet Wisconsin Backflow Testers — Our Selection Criteria

Every tester listed in our Wisconsin city pages meets all of the following before inclusion:

  • Wisconsin DSPS certification under SPS 382: Verified.

  • 12-month calibration on test kit: Wisconsin’s 12-month calibration standard confirmed.

  • Dual DSPS + utility filing: Testers confirm they file with both DSPS and the local utility.

  • NR 810.15 survey program familiarity: For listings covering commercial survey services, biennial survey experience confirmed.

  • DSPS assembly registration capability: Confirmed for new installation registrations.

Wisconsin Cities and Areas We Cover

Milwaukee metro: Milwaukee, Wauwatosa, West Allis, Greenfield, Greendale, Oak Creek, Franklin, New Berlin, Waukesha, Brookfield, Menomonee Falls, Mequon. Madison metro: Madison, Middleton, Fitchburg, Verona, Sun Prairie, Monona, Cottage Grove. Green Bay, Appleton, Oshkosh, Fond du Lac, Neenah. Racine, Kenosha, Janesville, Beloit. La Crosse, Eau Claire, Wausau, Stevens Point, Marshfield. Statewide Wisconsin.

getyourbackflowtested.com | Backflow Testing in Wisconsin