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Committee discusses salt-reduction referral; operations manager says city reduced salt use to ~200 lb/lanemile
Summary
The committee reviewed a referral from the Water Resources Management Commission asking the city to explore reduced salt application rates, use of sand/salt on residential streets and making sand/salt available for resident pickup. Operations manager Brad Hopwood said annual average application has fallen from 350–400 lb/lane-mile to about 200 and that the city is calibrating spreaders multiple times per season; the committee asked staff to continue study and expand outreach to businesses and residents.
The Public Works Committee discussed a referral from the Water Resources Management Commission asking staff to study the operational, cost and environmental implications of reduced roadway salt use and related measures.
Operations manager Brad Hopwood reported the city’s average salt application per lane-mile dropped from roughly 350–400 lb in 2017 to about 200 lb recently. He described the city’s spreader system as a closed-loop unit that records pounds of salt and brine applied and said crews calibrate equipment multiple times per season. Hopwood and staff said further reductions are possible for particular events but cautioned that operational limits (crew size, plow schedule and priority routes) constrain how much the city can plow instead of applying salt.
Committee members discussed several policy and operational options: aiming for a 150 lb/lane-mile target as a study goal; developing outreach and education for commercial applicators and retailers; examining sand–salt distribution methods (park pickup points vs. barrels); and estimating the cost of adding plow capacity or contracting supplemental crews. Staff noted prior local experience with sand barrels presented maintenance challenges and that sand–salt mixes can perform poorly when tires grind them into packed icy material.
The committee asked staff to return with cost estimates and operational recommendations and requested further outreach to businesses and residents about Wisconsin Saltwise best practices and new state guidance for commercial applicators.
