A two‐stage telephone survey was conducted to question 1400 customers of 28 water systems about their recollections of public notification of water quality standards violations. Overall, an estimated 40.6 percent of the customers remembered some type of notification. However, only 20 percent were willing to spend money to improve water quality, mostly because many were already satisfied with their water.
Data on the cost and effectiveness of the mandated public notification of maximum contaminant level violations were analyzed for 164 water systems in 14 states. Of the 164 systems that provided data for this statistical reserch, 43 percent of the water systems indicated that they did not design their notification to elicit public support for improvements in treatment capability. For those systems that did, 61 percent indicated it was ineffective, 23 percent said it was somewhat effective, and 16 percent said it was very effective.
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