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Dam safety policies

These policies are used to guide and ensure consistency in the administration of laws and regulations.

The policies are not formal administrative regulations that have been adopted through a rule-making process. In some cases, the policies may not reflect subsequent changes in statutory law or judicial findings, but they are indicative of our practices and interpretations of laws and regulations at the time they are adopted.

If you have questions regarding a policy, please contact us.

Dam safety program

Policy number Description of policy and version date
POL 5101  Designation of state dam safety office (07/01/1999)
POL 5102  Applicability of dam safety policies and procedures (07/01/1999)
POL 5103  Applicability of policies to dams which are federally owned (07/01/1999)
POL 5104  Applicability of policies to non-federal dams which are licensed or exempted for hydropower by the Federal Energy Regulatory Commission (FERC) (07/01/1999)
POL 5105  Exemption of dams which are six feet or less in height (07/01/1999)
POL 5106  Multiple small dams in series (07/01/1999)

Dam construction permit process

Policy number Description of policy and version date
POL 5201  Issuance of construction permit (07/01/1999)
POL 5202  Engineering approval of construction plans and specifications (07/01/1999)
POL 5203  Assessment and collection of fees for engineering review of construction plans and specifications and for construction inspections (07/01/1999)
POL 5204  Plan review requirements for construction change orders (07/01/1999)
POL 5205  Review of construction plans and specifications received after project construction (07/01/1999)
POL 5206  SEPA compliance as related to issuance of construction permit (07/01/1999)

Dam construction inspection policies

Policy number Description of policy and version date
POL 5301  Inspection of construction work (07/01/1999)
POL 5302  Construction inspection plans by dam owners (07/01/1999)

Inspection of existing dams

Policy number Description of policy and version date
POL 5401  Periodic inspection of existing dams - Federal Dams (07/01/1999)
POL 5402  Periodic inspection of existing dams - hydropower dams licensed or exempted by FERC (07/01/1999)
POL 5403  Periodic inspection of existing dams - Ecology sole regulatory agency (07/01/1999)
POL 5404  Frequency of periodic inspections (07/01/1999)
POL 5405  Dams constructed without prior DSO approval of plans and specifications (recent construction) (07/01/1999)
POL 5406  "Older" dams which were constructed many years ago without DSO approval of plans and specifications (07/01/1991)
POL 5407  Periodic inspections of metals mining tailings impoundments (07/01/1999)

Compliance and enforcement

Policy number Description of policy and version date
POL 5501  Enforcement guidelines and procedures (07/01/1999)
POL 5502  Use of enforcement action when voluntary compliance is not forthcoming (07/01/1999)

Project operation

Policy number Description of policy and version date
POL 5601  Operation and maintenance manuals and emergency action plans (07/01/1999)
POL 5602  Emergency spillway requirements at off-channel storage facilities (07/01/1999)

Response to emergencies

Policy number Description of policy and version date
POL 5701  Emergency response procedures by dam safety section (07/01/1999)
POL 5702  Discretionary actions during emergency or exigency situations (07/01/1999)

Miscellaneous topics

Policy number Description of policy and version date
POL 5801 Coordination with Ecology Water Quality Financial Assistance Program (07/01/1991)