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Domestic permits are often alder <br />residential permits, or those issued for <br />properties larger than 35 acres. Domestic <br />wells can be used for up to three single - <br />family dwellings and may give you the <br />right to use water outside your house, and <br />for your animals. However this does not, <br />in turn, give the owner the right to build <br />three houses. <br />Neither the state nor the local <br />government can guarantee your water <br />supply. However, before approving new <br />subdivisions with wells, some local <br />governments require that a test well be <br />drilled, and that a water supply report be <br />submitted with evidence that there is an <br />adequate water supply for general health <br />and fire protection. <br />There are a number of state and federal <br />rules that protect water quality, but they <br />apply only to public water supply <br />systems. In Colorado, state laws and part <br />of the Safe Drinking Water Act, are <br />enforced through the Water Quality <br />Control Division of the Department of <br />Public Health and Environment. If your <br />water distribution system services less <br />than 15 homes, water tests are not <br />required. The only way to protect <br />yourself is to periodically have your <br />water tested. <br />Multiple agencies regulate and monitor <br />various aspects of ground water, yet no <br />agency oversees and integrates all <br />aspects. Each agency has its own focus <br />and jurisdiction as established by <br />enabling laws. It is important therefore, <br />for the homeowner to get involved in <br />monitoring their own well. <br />Water quality is not addressed in the <br />permit. Water quality testing of a private <br />well is the responsibility of the owner or <br />user. A current test should be requested <br />when purchasing a house with an existing <br />well to demonstrate that the quality meets <br />human consumption criteria or that the <br />water can be treated to meet these <br />standards. <br />Typical Drilled Mountain Well <br />Ground Surface <br />Steel Casing <br />Water pipe to <br />house (via a <br />"pitless <br />adapter") <br />Grout from <br />9 -39' <br />Solid PVC <br />(polyvinyl <br />chloride) casing <br />Waterpipe <br />Roughly 100' <br />of perforated <br />PVC casing <br />above the <br />pump <br />Note: This detail <br />is based on <br />the minimum <br />requirements <br />set by the Board <br />of Examiners' <br />Office of the <br />Colorado State <br />Engineer's <br />Office <br />13 <br />10 <br />Water tight, <br />vermin -proof well <br />cap located no <br />less than one <br />foot above <br />ground <br />Loose surface <br />material (regolith) <br />Fractured <br />bedrock e J <br />Edge of <br />borehole <br />Space between <br />edge of <br />borehole and <br />rasing <br />Static water <br />level <br />Submersible <br />pump <br />Roughly 20 feet of <br />solid PVC casing <br />beneath pump for <br />trapping sediment <br />