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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Frequently Asked Questions: Dewatering Wells |
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| VIEW NOW |
Frequently Asked Questions: Dewatering Wells (Number of pages: 2) (Publication Size: 274KB)
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| Author(s) | Water Resources Program | ||||||
| Description | In Chapter 173-160-111 (21) WAC (Washington Administrative Code) it defines a dewatering well as a “cased or lined excavation or boring that is intended to withdraw or divert ground water for the purpose of facilitating construction, stabilizing a land slide, or protecting an aquifer.” Currently, the most common use of a dewatering well is for dewatering a shallow aquifer to facilitate construction of underground utilities, a road, or a building foundation. The most common casing is Schedule 40 PVC casing. The average depth is about 20-feet. And the most common installation method is jetting. Hundreds of these wells are constructed and decommissioned in Washington every year. |
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | Water Resources Program at 360-407-6872 | ||||||
| Keywords | dewatering wells, well help, wells | ||||||
| WEB PAGE | Well construction & licensing |
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