Section 13.08.080 Special rates and charges.

1. Where a major portion of water used or consumed on the premises of a contributor engaged in commercial or industrial activities is not discharged into the sanitary sewage system, the director may establish a special sewer user charge for such property based on the estimated quantity of water, sewage and waste discharged into the sanitary sewage system, or the contributor may, at its own expense, provide for the separate measurement of water used but not discharged into the sanitary sewage system, in which case, if the director shall find the manner of segregation and measurement of such water to be satisfactory, the quantities of water so determined shall be deducted from the total quantity of water used or consumed on the premises in determining the sewer user charge.

2. Any user discharging any toxic pollutants which cause an increase in the cost of managing the effluent or sludge of the treatment works shall pay for such increased costs.

3. a. Effective July 1, 2009, surcharges shall be provided for BOD contributions in excess of two hundred fifty mg/1 at the rate of $0.203 per pound; for suspended solids in excess of three hundred mg/1 at the rate of $0.835 per pound; and for oil and grease in excess of three hundred mg/1 at the rate $0.140 per pound.

b. Effective July 1, 2010, surcharges shall be provided for BOD contributions in excess of two hundred fifty mg/1 at the rate of $0.220 per pound; for suspended solids in excess of three hundred mg/1 at the rate of $0.906 per pound; and for oil and grease in excess of three hundred mg/1 at the rate $0.152 per pound.

c. Effective July 1, 2011, surcharges shall be provided for BOD contributions in excess of two hundred fifty mg/1 at the rate of $0.239 per pound; for suspended solids in excess of three hundred mg/1 at the rate of $0.984 per pound; and for oil and grease in excess of three hundred mg/1 at the rate $0.165 per pound.

4. Residential consumers of water shall not be charged a sewer user charge for water passing through a separate meter, the type and installation of which shall be approved by the director, and purchased and installed at the consumer's expense, when the meter shall be connected to outside taps for the purpose of lawn sprinklers or for the operation of air conditioners when such water is not discharged through or into the sanitary sewer system.

5. For those major industrial users who have been issued industrial user permits by the Director, a surcharge of ten (10) times the unit charge for flow, BOD, suspended solids and/or oil and grease shall be applied to all quantities of wastes contributed in excess of the industrial user's permitted limits. Such surcharges shall be applied to both average monthly and maximum daily limits that are stipulated in the user permit.

6. a. Effective July 1, 2009, any user who discharges dissolved sulfides in excess of 0.5 mg/L, a surcharge of $29.630 per pound shall be applied to the user's next sewer use billing.

b. Effective July 1, 2010, any user who discharges dissolved sulfides in excess of 0.5 mg/L, a surcharge of $32.149 per pound shall be applied to the user's next sewer use billing.

c. Effective July 1, 2011, any user who discharges dissolved sulfides in excess of 0.5 mg/L, a surcharge of $34.881 per pound shall be applied to the user's next sewer use billing.

d. The total pounds for which the surcharge is applied shall be calculated by multiplying the difference between the actual measured concentration of dissolved sulfides and 0.5 mg/L times the user's actual measured flow times a conversion factor of 8.34.

7. Wastewater discharge resulting from petroleum cleanup sites involving ground water or soil contamination may be discharged to the sanitary sewer or directly to the Wastewater Treatment Plant subject to prior approval from the director. This wastewater discharged to the sanitary sewer is subject to the following fee: