Planning commission reviews floodplain code update; members raise concerns about ‘substantial improvement’ threshold and enforcement

Okanogan County planning staff reviewed proposed updates to the county’s floodplain code and related shoreline and critical-area provisions, explaining which changes are required by state or federal agencies and which are recommended clarifications. Commissioners raised concerns about the practical effects of a ‘‘substantial improvement’’ threshold, enforcement mechanisms and how the changes would affect existing, grandfathered structures.

Planning staff said the redlined draft contains three categories of edits: deletions to align the county code with state and federal language, Department of Ecology–recommended additions, and statutory mandates the county must adopt. Staff said many recommended additions improve clarity for the public and permit processing; the deletions were largely to remove redundant or outdated text.

A central point of discussion was a ‘‘substantial change’’ or ‘‘substantial improvement’’ test in the draft: as read aloud in the meeting, the threshold would be 51% of the structure’s fair-market value, which triggers bringing the structure into compliance with current code. One commissioner said that requirement raised “heartburn” because routine maintenance (for example new siding or a roof) might approach that threshold for some structures. Staff confirmed the 51% threshold language as presented in the draft.

Commissioners also discussed enforcement limitations under current land-use rules and how shoreline rules provide additional authority. Staff described an enforcement approach that uses interagency coordination — for example, involving the Department of Ecology and Washington Department of Fish and Wildlife (WDFW) on certain shoreline or environmental noncompliance — and noted that shoreline code allows stop-work orders while the land-use code does not. Staff said a forthcoming Title 19 compliance code will centralize enforcement and provide more on-site mitigation options rather than relying only on tickets and court actions.

Several commissioners urged that enforcement interactions and decisions be documented in writing. One commissioner observed that verbal approvals or conflicting agency guidance in the past had created downstream legal problems; staff agreed that written determinations are necessary to create clear records.

Staff said they would circulate to the commission a copy of the Department of Ecology–annotated draft (the draft with margin notes showing which changes are recommended and which are required) and also provide a hard copy through administrative staff. The commission discussed timing; staff indicated that, if the commission can prepare the draft and explanatory materials at the next meeting, the package could be returned to the county commissioners for a hearing on the schedule the county follows for code amendments.

Staff also described ongoing technical work: FEMA is updating mapping in some alluvial-fan and debris-flow areas in the county, a consultant firm may submit a grant application on behalf of the county to study debris flow in post‑wildfire landscapes, and updated maps would be incorporated into future zoning and rezone work to reduce allowable development in high-risk areas where appropriate. Commissioners acknowledged those mapping and rezoning efforts would create nonconforming situations for already-developed parcels and said that outcome requires careful public communication.

No final code adoption occurred at the meeting. Staff will send the annotated Department of Ecology draft to commissioners for review and prepare explanatory materials that separate mandatory statutory changes from discretionary, recommended edits.