The official website of
Gilpin County

203 Eureka Street, Central City, 303.582.5214



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Gilpin County Public Health Agency
Phone: 303-582-5803 / Fax: 303-582-5798

Well Water Testing
Well water testing is now offered by the Gilpin County Public Health Agency, located at 101 Norton Drive, Black Hawk. The water lab is State Certified to test for total coliform and E. coli bacteria.  Water sample bottles and water collection instructions may be picked up at the Public Health Office.  The sample may then be dropped off Monday through Thursday from 8:30 am to 1:00pm.  The cost of the test is $25.00.  Call 303-582-5803 for additional information  
Water Test Procedure
Well Data Form

Helpful Links:
If You Need More Water Testing/State of Colorado Water Testing
How to Interpret Water Test Results for a Private Well
Private Drinking Water Wells
Well Testing
Private Drinking Water Wells
Drinking Water from Household Wells
What are Coliforms?