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County hazard mitigation plan moves toward final draft as dam exercise highlights flood risks
Summary
Columbia County emergency management staff told the committee the public comment period for the countywide hazard mitigation plan closed April 15, 2025; the plan will be finalized and submitted to New York State and FEMA, and exercises tied to Saginawaga Lake Dam prompted discussion about downstream flooding risks.
Columbia County emergency management staff said the public comment period for the county’s five‑year hazard mitigation plan closed April 15, 2025 and that the consulting engineering firm will prepare a final draft for submission to New York State and FEMA.
At the meeting staff reported on a recent exercise involving the Saginawaga Lake Dam that modeled a catastrophic failure and downstream impacts. The exercise suggested the highest‑probability local effect would be flooding of nearby railroad tracks and adjacent low‑lying parcels; more extensive flooding would require catastrophic scenarios and specific weather conditions. Staff said the model estimates would vary markedly with several days of rain versus dry conditions.
Committee members asked for clearer attribution of contributor locations in the draft plan. Several members observed that people listed as representing “Hudson” on the draft live or work in neighboring towns; staff said New York State requires the submission to be accurate and that some address fields may not be changeable after submission, but a clarifying note could be inserted to explain mailing‑address conventions.
Staff said the hazard mitigation grant program guidance and the plan’s acceptance by New York State and FEMA will affect eligibility for future mitigation funding. A separate floodplain management survey was also discussed as a possible follow‑on requirement to meet federal or state program standards.
No formal vote on the plan draft was recorded at this meeting; staff said the draft would be presented to the committee for signature next month after any final edits and state review steps are complete.
