Water Lab

EPA certified water laboratory-testing public/private drinking water and public pools/spas for harmful bacteria.

EPA Region 8 (Mountains and Plains), serving Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 28 Tribal Nations.

This fact sheet provides basic information for private well owners regarding bacteria in their well water.

Drinking Water Testing Schedule

Every Monday and Tuesday excluding County Holidays. Samples must be received before 2 p.m.

Please reference the 2021 Drinking Water Testing Schedule (PDF).
Please reference the 2022 Drinking Water Testing Schedule (PDF).

Pool & Spa Testing Schedule

Pool and spa samples are accepted every Tuesday excluding County Holidays. Samples must be received before 12 p.m.

There will be no Pool and Spa testing on weeks where County Holidays fall on a Tuesday or Thursday. 

Please reference the 2021 Pool and Spa Testing Schedule (PDF).
Please reference the 2022 Pool and Spa Testing Schedule (PDF).

Water Lab Forms

Bacteriological Water Analysis Requisition

Water Lab Fee Schedule

• $20 - Drinking Water Testing
• $20 - Pool and Spa Testing