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Show Centerville declining block rate for commercial users charges a minimum of $ 5.00 for any amount up to 10,000 gallons. For the next 90,000 gallons consumed, the rate is $. 35 per 1,000 gallons; and the rate for additional monthly consumption is $. 25 per 1,000 gallons. Figure 10 represents Centerville's decreasing block rate. $. 50 * $. 35 M$. 30 § $. 25 ~ U 10 100 200 Thousands of gallons of water consumed per month cu $. 35 $. 16 1000 Cubic feet of water consumer per month Figure 11. Provo, Utah, water rate for %' connection. Figure 10. Centerville, Utah, commercial - water rate. Increasing Block Rate The increasing rate is used in only two of the survey cities: Kanab and Vernal. See Figure 12 for residential rates in Vernal. Constant Block Pricing On the national scale, constant block pricing is less popular than the declining block rate. However, 30 of the cities surveyed in Utah use this rate. Provo recently converted to a constant block structure, except for a higher charge for very small uses. Referring again to Table 3, a minimum charge of $ 3.50 and a quantity of 1000 cubic feet is found for a 3A" connection. For all consumption over 1000 cubic feet, a rate of $. 16 per 100 cubic feet is charged as represented in Figure 11. Uniform Flat Rate Only five of the municipalities participating in the survey use the uniform flat rate. To illustrate the reduced revenues and greater utilization of resources associated with a flat rate, a comparison might be made between East Carbon and Roosevelt. East Carbon uses a flat rate pricing policy while Roosevelt uses a declining block rate. For fiscal year 1974- 1975, East Carbon received a total revenue of $ 56,008.90 for water services, while Rooselvelt collected $ 147,881.21 and used less water. The total water consumed by the two communities is 688,890,000 gallons for East Carbon and 421,320,000 for Roosevelt. Although Roosevelt is nearly double the size of East Carbon, its residents used nearly 40 percent less water, while its water rates generated 260 percent more revenue. en $. 35 c o rH " « $. 30 o § $. 25 O w> ^ u $. 20 03 x: u $. 15 10 20 30 40 50 Thousands of gallons of water consumed per month Figure 12. Vernal, Utah, residential mater rate. Demand Metering Several Utah cities charge a summer differential rate, but these are reduced rates. For example, Provo charges $. 01 per 100 cubic feet less during summer months to reimburse customers for the cost of sprinkling city property bordering streets. 29 |
