Water testing in Rock County, WI
Lowest listed local program price: $31, other prices posted, Rock County Public Health Department.
Rock County Public Health Department Private Well Testing
$31, other prices posted
- Bacteria
- E. coli
- Nitrate
- pH
- Arsenic
- +3 more
Testing kits are available for pick-up during normal business hours or by mail for a $7 shipping and handling charge; order and pay online or mail the order form with payment.
All posted prices
Bacteria test (coliform + E. coli) - $31, MPN Investigative test - add $5 ($36 total), Nitrate test - $31, pH testing: Water - $11, Food (up to 5 samples) - $26; mail orders add $7 shipping and handling
Who can use it: Private well owners in Rock County, Wisconsin.
- Rock County Public Health Department, 3328 US Highway 51, Janesville · (608) 757-5440
Checked October 2, 2026. Official page · Report a change