Planning commission recommends updates to critical‑areas definitions; includes aquifer‑monitoring concerns in public comment

The Liberty Lake Planning Commission on Jan. 22 voted to recommend approval of proposed updates to critical‑areas definitions (Article 101C) and Article 106B (critical areas), actions staff described as "low‑hanging fruit" to bring the city's development code in line with state guidance and best available science.

Staff said the city adopted a flood‑damage prevention ordinance in 2018 but otherwise had not substantially reviewed critical‑areas regulations in many years. A consultant reviewed the city’s critical‑areas code, and staff proposed revisions to update definitions for wetlands, geologically hazardous areas, fish and wildlife habitat/conservation areas and frequently flooded areas. Staff cited WAC 365‑190‑0306 for the fish and wildlife habitat definition and WAC 365‑190‑030(8) for frequently flooded areas and said some definitions needed correction to match state references. Staff also proposed removing an out‑of‑date priority habitats and species table and instead referencing the Washington Department of Fish and Wildlife (WDFW) online priority habitats and species mapping tool so the city would not have to maintain that table itself.

A motion to recommend approval of Article 101C (definitions) and Article 106B (critical areas) was made and seconded; the commission voted in favor. The motion language recorded at the meeting was: "I’ll make a motion to recommend approval of Article 101C definitions and Article 106B critical areas as proposed." The motion received a second and the chair called for the ayes.

During discussion, commissioners asked about local coverage of aquifer recharge. Staff said aquifer protection and monitoring have been managed largely by Spokane County and the Spokane Aquifer Joint Board, but staff and the city's stormwater master plan anticipate that monitoring responsibilities and enforcement could shift if county programs expire. Staff said the county‑run aquifer protection monitoring program could sunset in 2026 and that the city’s financial analysis had included potential future fees to allow the city to undertake additional enforcement if needed.

A member of the public, Jeremy Jenkins, identified himself as an environmental manager who works for a Liberty Lake water utility and as president of the Spokane Aquifer Joint Board. Jenkins told the commission he and the joint board are investigating options to replace or augment the county’s monitoring program if it ends in 2026 and urged maintaining a robust, long‑term aquifer monitoring dataset. He also suggested adding or clarifying a "critical materials" list referenced in the code; staff replied that building permits require a submittal that lists hazardous or critical materials and that the fire district reviews those quantities.

The meeting included a technical discussion of stormwater management. Staff said the city relies on 208 swales (stormwater infiltration/green infrastructure) rather than a centralized conveyance to a treatment plant and that, after analysis for an MS4 permit threshold, the city had demonstrated it is not discharging to state waters in a way that would trigger MS4 permitting because of its use of swales. Staff noted the stormwater approach is land‑intensive but environmentally effective and less costly than a centralized treatment system.

Staff described the CAO updates as part of deliverables for the city's periodic‑update planning grant and said they were intended to be a straightforward set of corrections and references back to state definitions and WDFW resources. The commission agreed to recommend the proposed text to the council as presented.