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�.�-�9 City is proceeding with a fest well at Red Morton Park to determine the suitability of site-specific wells for irrigation of parks in the central and western parts of the city. h) How can citizens get the City to revisit the use of chloramines? The decision to replace chlorine disinfection with chloramines throughout the service area of the Hetch Hetchy regional water system was made by the San Francisco Public Utilities Commission at the urging of the California Department of Health Services. The change affects an estimated 2.4 million water customers in dozens of communities. Despite some opposition before and after the changeover, staff is not aware of any commitment from the SFPUC to consider reversal of their decision. There is a large body of information available via the health care and medical fields: City staff can assist residents in finding information. i) How can residents remove chloramines and fluoride from their individual water supply? There are some filter products available for homeowners. Confact the Redwood City staff at 780-7464 to get assistance. Group # 1: Concerns about the plan in its current form a) It may be a problem if other Cities do not choose hot water recirculation. The concern is that unless cities band together, cost effectiveness of devices such as hot water recirculators will be difficult to achieve. BWASCA has been very successful in offering member agencies with subscripfion-based, regional rebate programs for cloths washers and restaurant pre-rinse nozzles. Redwood City staff will collaborate with BA WSCA to explore the feasibility of including recirculators in the future. b) Concerned about the continued use of chloramines See responses to questions h) and i) above. Group # 2: Questions about the content of the UWMP draft a) What controls does Redwood City have over build-out in Emerald Hills? (review, permit restrictions, etc.) Since the Redwood Cify Planning staff, Planning Commission and City Council have no land use jurisdiction or authority over the building permit process in unincorporated San Mateo County, they musf rely on influencing policy decisions that affect Redwood City. Many years ago, Redwood City's supply assurance was adjusted to include future water supply for the Emerald Hills service area of Redwood City's water system, based on build-out projections at the time. Section 2.4 of the Draft UWMP indicates that there are approx. 250 to 300 remainrng undeveloped single-family parcels. This pofential future new demand is included in the base water demand forecast of fhe UWMP update. Group # 2: Concerns about the plan in its current form a) In Table 3-1, the 2015 — 2030 projections include volumes that exceed supply assurance figures. But, the Draft UWMP says RWC can't get more water. If we compare Table 4-3 to Table 3-1, iYs confusing. The forecast purchases exceed supply assurances figures. In 2004 the SFPUC asked wholesale customer agencies to provide "best estimates" of their purchase needs up to 2030 — irrespective of the current contractual supply assurance limit (the Master Sa/es Agreement expires in 2010). Appendix D of the Draft UWMP provides detailed correspondence and documents related to that work. Table 3-1 shows only water supply — both the "best estimafe amounts given to the SFPUC and new, recycled water. Revised Table 4-3 and new Table ES-1 indicate 2 of 6