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Article V. Charges

A. General Provisions. For all metered service connections located within or outside the boundaries of the district, the monthly charge for service will consist of a monthly service charge based on the size of the meter and customer class plus a consumption charge (quantitative charge). Property owners with an installed meter, whether the water service is on or off, are held responsible for and required to pay the monthly service charge. In addition to these charges a cross connection protection charge will be applicable to all meters with such devices installed.

B. Monthly Service Charge.

1. General Provisions. When service is started or terminated during the month, the monthly service charge will be prorated by day based on a 30-day billing period.

2. Description of Water Usage. See Appendix B of this chapter.

3. Temporary Service Connection Monthly Service Charge. See Appendix C of this chapter.

C. Consumption Charge (Quantitative).

1. Determination. The charge will be determined on the basis of a meter reading or it will be estimated as described below.

When a meter is out of order or cannot be read for any reason, the charge will be based, at the option of the district, on one of the following:

a. The average meter reading for the three preceding months; or

b. An estimate of water delivered based either upon the user’s prior use during the same season of the previous year or upon a reasonable comparison with the use of other users receiving the same class of service during the same period and under similar circumstances and conditions.

2. Permanent Service Connection Consumption Charge. See Appendix D of this chapter.

3. Temporary Service Connection Consumption Charge. See Appendix E of this chapter.

D. Minimum Closing Bill Amount. The closing bill will be based upon charges applicable on the date service is terminated. If the charges are less than the amount provided for in Appendix H of this chapter, no bill will be rendered.

E. Water Budgets.

1. Residential and Multifamily Water Budget Calculations.

a. Indoor Water Budget. The indoor water budget is calculated using the following three factors:

i. Fifty gallons of water per person per day (gpcd).

ii. The number of people in the household (assumed to be four).

iii. The number of days in the billing cycle.

iv. Billed in units of 100 cubic feet (748 gallons).

As an equation, the indoor water budget allocation is expressed as follows:

Indoor Water Allocation = [Household Size] x [50 gallons] x [Days Billed]

b. Outdoor Water Budget. The outdoor water budget is calculated based on the following three factors:

i. Amount of irrigated area per parcel (45 percent of the parcel size or the landscaped area as measured by the district’s geographic information system, or landscape plans as approved by the district).

ii. Historical daily evapotranspiration (ET) as measured at local weather stations each day in the billing cycle.

iii. A monthly plant factor. The district uses a plant factor of 0.55 to 0.65 depending on the time of year.

iv. Billed in units of 100 cubic feet (748 gallons).

As an equation, the outdoor water budget calculation is expressed as follows:

Outdoor Water Allocation = [Actual Evapotranspiration (inches)] x [Irrigation Area (ft)] x [Plant Factor]

The tier thresholds for residential and multifamily customer rates are as follows:

Tier 1 – Up to indoor water budget.

Tier 2 – Up to 100 percent of total water budget (indoor plus outdoor water budget).

Tier 3 – 101 percent to 175 percent of total water budget.

Tier 4 – 176 percent to 300 percent of total water budget.

Tier 5 – All water usage above 300 percent of total water budget.

2. Landscape Irrigation Customers Water Budget Calculation. The tier thresholds for landscape irrigation customers are as follows (Tier 1 is not applicable to landscape irrigation customers):

Tier 1 – Not applicable.

Tier 2 – Up to 100 percent of outdoor water budget.

Tier 3 – 101 percent to 175 percent of total water budget.

Tier 4 – 176 percent to 300 percent of water budget.

Tier 5 – All water usage above 300 percent of total water budget.

3. Commercial Customers Water Budget Calculation. The water budgets for commercial customers are based on the number of equivalent dwelling units (EDUs) when the business was established or repurposed. Consistent with the policy for residential accounts, each EDU is given eight CCFs for its water budget. The tier thresholds for commercial customers are as follows (Tier 1 is not applicable to commercial customers):

Tier 1 – Not applicable.

Tier 2 – 100 percent of water budget (based on account’s assigned EDUs).

Tier 3 – 101 percent to 175 percent of total water budget.

Tier 4 – 176 percent to 300 percent of water budget.

Tier 5 – All water usage above 300 percent of total water budget.

4. Aggregated Water Budgets. The water budgets for multiple meters can be combined into one budget if the meters are hydraulically looped or if the customer has applied for and been approved for an aggregated water budget by the water management department. (Ord. 1399.12 § 5-1, 2017)

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