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Residents, commissions urge Webster Groves to update lighting code to reduce glare and sky glow
Summary
A presentation from Dark Sky Missouri and a Green Space Commission motion pushed Webster Groves officials to seek updates across scattered, outdated lighting rules to limit glare, protect wildlife and preserve night skies.
Jake Bronicker, a Webster Groves resident and member of the Dark Sky Missouri board, told the Sustainability Commission that Webster Groves’ lighting rules are outdated and should be revised so outdoor lighting is “only light[ed] what you really need.”
Bronicker showed examples of lighting the commission described as both appropriate and problematic — including well-directed path lights along Edgar Road and the science center, and brighter, upward‑casting fixtures at the rec center and Blackburn Park — arguing those fixtures create glare, light trespass and harm to wildlife and human circadian rhythms.
The issue matters, Bronicker and Green Space Commission members said, because modern light‑emitting diode (LED) technology and broader use of high‑color‑temperature (blue‑rich) fixtures have increased sky glow even while allowing lower energy consumption. “There are safety issues too … that we need to be concerned about with proper lighting,” Bronicker said, and added that properly shielded, warmer‑color LEDs can preserve safety while reducing glare.
Commission members discussed two policy approaches: a moratorium or an incremental grandfathering of existing fixtures. Bronicker and others said they favor grandfathering — requiring replacement with compliant, lower‑Kelvin fixtures as existing lamps reach end of life — rather than a one‑time, costly retrofit. He pointed to local examples where municipalities adopted standards (Kirkwood, Clayton, Ellisville) and to recent municipal work in the region showing both technical and cost issues tied to rapid mandatory replacements.
Green Space Commission representatives said the commission voted to send a letter to city staff asking that the city consider a comprehensive update to its lighting-related code sections, consolidate lighting provisions spread across zoning and building regulations, and adopt clearer technical limits (including recommended correlated color temperature and shielding requirements). A Green Space speaker said the commission would include the Sustainability Commission as a cosponsor if the sustainability group wishes to join the request.
Commission members and Bronicker discussed common elements drafted for a model ordinance: locate lighting requirements near the front of zoning or design rules so lighting is not an afterthought; require shielding and full cutoff fixtures; set limits on light trespass at property lines; prefer warmer LEDs (identified in the discussion as about 2,700 Kelvin) and require timers or curfews for nonessential lighting. Participants noted enforcement approaches used in other towns — starting with mediation and onsite adjustments (for example, tilting or shielding an offending fixture) before escalating to fines — and emphasized outreach and education for businesses and residents.
Green Space said it would forward a draft letter and the proposed ordinance language to city staff and recommended the Sustainability Commission consider forming a subcommittee to review details and coordinate with Green Space before the item goes to council. The commission agreed to allow the letter to proceed while reserving the option to cosponsor later.
Ending: The commissions left open the question of how quickly to require changes and whether to include street lights and municipal fixtures; members asked staff for follow‑up and for comparative cost and energy‑savings data from nearby municipalities to inform any recommendation to City Council.
