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Colorado county well guide
Well Water in Moffat County, CO: Testing, Contractors and Rules
About 1,515 households in Moffat County, 29% of the county, rely on a private well. Nobody tests that water unless the owner does.
of households on a private well
Share on wells, county vs state
1licensed contractors serve the county
40+ mito a certified lab; mail-in kits recommended
Nostatewide test required when a home is sold
About one in 3 households in Moffat County relies on a private well, around 1,515 homes. Outside the towns with public water, wells are the norm here.
Local rules for wells in Moffat County
Every well in Moffat County needs a permit from the Colorado Division of Water Resources before drilling, and only licensed contractors may drill or set the pump. Water quality is not regulated for private wells, so testing is entirely the owner’s call.
At a glance
Water test for a new wellNot required statewide
A DWR well permit is required before drilling and contractors must notify DWR before construction, but no water quality test is required by the state.
Water test when a home is soldNot required statewide
No statewide requirement. Lenders often require a test; some counties recommend one at transfer.
What the state recommends
CDPHE recommends yearly testing for coliform bacteria and nitrate, and a broader panel (metals, uranium, radon, fluoride, hardness) every few years. Colorado groundwater commonly has naturally occurring uranium, radon and fluoride.
Free or low-cost testingAvailable
Colorado offers a free PFAS testing program for private wells. Several county health departments (Weld, El Paso, La Plata, Mesa, Pueblo, Routt, Gilpin, Northeast Colorado) run certified labs that accept homeowner samples.
Getting your water tested near Moffat County
The nearest certified lab is ACZ Laboratories, Inc. in Steamboat Springs, about 38 miles from the county center, and it accepts samples from homeowners. There is one more within 40 miles, listed below with what each tests for.
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Licensed well contractors serving Moffat County
Licensed help in Moffat County includes the Mountain States Co. Every listing was matched to the Colorado license list; the “verify” link on each profile opens the state lookup.
1 licensed contractors
Well depth and water chemistry
Well depth and water chemistry in Moffat County follow the rock underneath it. Depth varies across the county; the state well record search shows logs for nearby wells.
Typical well depth
Varies by location. Check the state well record search for logs of nearby wells.
Contaminants to test for
- Uranium
- Radon
- Fluoride
- Nitrate
- Hardness
- Coliform bacteria
- Arsenic (some basins)
Neighboring counties: Routt County, Rio Blanco County, Garfield County, Jackson County.
What well work costs in Moffat County
Basic bacteria and nitrate test$25 to $75lab fee, homeowner sample
Full panel lab test$150 to $400metals, VOCs, radiologicals
Well inspection$250 to $550flow, pressure, visual, water test
Submersible pump replacement$1,200 to $4,500parts and labor
Pressure tank replacement$400 to $1,200installed
Whole-house treatment system$800 to $6,000softener, iron filter, UV, RO
New well drilled$5,500 to $25,000about $25 to $65 per foot
Shock chlorination$80 to $300or about $20 as a DIY job
National ranges from published 2025 to 2026 contractor pricing. Local quotes vary with depth, access and materials.
Questions Moffat County well owners ask
How many homes in Moffat County are on a well?
About 1,515, or 29% of households, based on Census housing data and state well surveys. The share is highest outside the towns with public water.
Where is the closest certified lab to Moffat County?
ACZ Laboratories, Inc. in Steamboat Springs, about 38 miles away. It accepts homeowner samples.
Do I need a permit to drill a well in Moffat County?
Yes. A permit from the Colorado Division of Water Resources is required before any drilling.
What does a well test cost near Moffat County?
A bacteria and nitrate test runs $25 to $75 at most certified labs; a full panel with metals is $150 to $400. County health department labs charge less than commercial labs, and PFAS testing is free through the state.