Construction Fees for New Dams or Modifications to Existing Dams
Any person intending to construct or modify any dam must submit plans, specifications, and a construction inspection plan for review and approval by Ecology. Construction permit fees are required for examining plans and specifications. Fees are charged on a per project basis.
New Construction Fees
For new construction, fees are based on the height of the dam and the length of the top of the dam (crest length). See the "Construction Fees Table".
Procedures for paying construction permit fees require dam owners to include an initial payment with their construction permit application. Ecology will then bill the unpaid balance. The minimum initial payment is $1,977.
Modifications to Existing Dam Fees
Modification fees are a percentage of the new dam construction fees, based on the features to be modified and whether those modifications do or do not significantly enlarge the storage capacity of the impoundment (the “significant enlargement factor”*).
To determine your dam modification construction fees: use the Construction Fees Table and multiply by the enlargement factor in Table 1 below.
Fee adjustments for repairs, removals, and reclamation
The exceptions to the normal construction inspection fees above are:
Dam Safety Fees
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