Planning commission debates certified irrigation designer requirement amid affordability concerns

City of Grand Junction planning commissioners spent much of the workshop examining a requirement in the landscape code that irrigation plans be certified by a credential such as the Irrigation Association’s Certified Irrigation Designer (CID) or a WaterSense‑labeled alternative. Staff told the commission the provision becomes effective Dec. 21 — three years after adoption — and that the housing‑affordability code task force has recommended removing it, arguing there are too few certified professionals locally and that the mandate adds cost and time to development reviews.

Why it matters: Commissioners said the issue pits two city priorities against one another — water‑use efficiency and the cost of producing housing, particularly multifamily and affordable units. Several planners and commissioners warned that multifamily projects (where landscaping is commonly common‑area) could see meaningful upfront design costs if the CID requirement is retained; proponents of the certification said higher‑quality irrigation design lowers lifetime water use and household utility costs.

Staff described the evidence and open questions. Staff noted that irrigation plans are already required for most developments (they do not apply to single‑unit residential) and that the water efficiency plan adopted in 2022 anticipated the CID requirement. The packet included a housing‑task‑force range for potential soft‑cost impacts of roughly $1,500 to $7,500 per project (task‑force estimate noted in the packet; the methodology was not documented in the meeting packet). City staff cited a typical local plan‑review or design‑stamp cost of about $600–$700.

City water‑conservation staff (identified in the workshop as the city’s water conservationist) described local audits the office performed and the kinds of savings they can produce. “Just by correcting those things,” the conservationist said, a large property in a recent audit saved about 700,000 gallons of water in a year. Staff also noted rebates and training programs and said certification training and exams are available online; the Irrigation Association’s exam costs were discussed in the workshop (examples cited in the meeting: approx. $250 per exam for association members, $495 for non‑members, and annual renewal fees of about $75 for members and $125 for non‑members).

Commissioners proposed alternatives rather than an immediate blanket repeal. Options discussed included: scaling the CID requirement to only larger or nonresidential developments first to build local capacity; creating local incentives or subsidized training so small landscaping contractors can become certified; postponing enforcement to give the market time to adapt; or offering a local credit that reduces other landscaping minimums for projects that employ a certified designer. Proponents of retaining some requirement said the city has precedent for raising professional standards locally (the commission cited the earlier adoption of certified arborist requirements as an example of upskilling following regulation).

What the commission asked for: Commissioners repeatedly asked staff and the task force for stronger, local evidence of both the costs and the water‑use benefits of the CID requirement — especially site‑specific or local life‑cycle cost numbers — before making a formal recommendation to council. Staff agreed to gather additional local data and case studies, and the discussion was paused to allow time for other agenda items.

Next steps: Staff will return with more localized data, cost comparisons and example scenarios so commissioners can weigh the tradeoffs; no formal motion or vote was taken at the workshop.