Clark County proposes broad stormwater manual changes, including ban on deep injection wells

Feb 4, 2026

Clark County staff and consultants presented proposed updates to the Clark County Stormwater Manual and Title 40 code to meet Department of Ecology Phase I permit requirements, including seven mandated permit items, a proposed prohibition on deep underground injection control wells, deeper soils testing for infiltration, and a public review schedule leading to adoption in June 2026.

The full story

Clark County officials on Dec. 3, 2025, presented a package of proposed updates to the county's Stormwater Manual and related Title 40 code designed to comply with Department of Ecology Phase I municipal stormwater permit requirements and to improve local stormwater practices.

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