Water testing in Madera County, CA
Lowest listed local program price: $20, other prices posted, Madera County Department of Public Health.
Madera County Department of Public Health Laboratory Water Testing
$20, other prices posted
- Bacteria
- E. coli
Call (559) 675-7893 for specimen bottles and water sampling instructions, then drop off the sample at the Madera lab or the Oakhurst Government Center on the scheduled drop-off times and dates.
All posted prices
Bacterial testing of potable water from private domestic wells is available for $20 per test. Water Testing $15 (per sample for coliforms and E.coli).
Who can use it: Private domestic well owners in Madera County; private domestic wells are not regulated by the state so no certification is required to test.
- MCDPH Lab - Madera, 1604 Sunrise Avenue, Bld. 1 (Rd. 28 lobby), Madera · (559) 675-7893
- Oakhurst Government Center drop-off, 40232 Junction Dr, Suite 300, Oakhurst · (559) 675-7893
Checked October 2, 2026. Report a change