Ordinance No. 125 updates sewer service charges for 2026-2031.

Board of Directors of the Napa Sanitation DistrictORDINANCE SUMMARY - ORDINANCE NO. 125AN ORDINANCE OF THE BOARD OF DIRECTORS OF THE NAPA SANITATION DISTRICT, AMENDING DISTRICT CODE, TITLE 5, SECTION 5.01 RELATING TO SEWER SERVICE CHARGES.SummaryOn March 18, 2026, the Napa Sanitation District Board of Directors adopted Ordinance No. 125. This ordinance modifies District Code Section 5.01.010 - Rates by revising the Sewer Service Charge per EDU for 2026-2027 to 2030-2031 as follows:Fiscal Year2026-272027-282028-292029-302030-31 and thereafterSewer Service Charge per EDU$760.76$783.58$807.10$831.32 $856.26The EDU (equivalent dwelling unit) shall be calculated using the following for flow, BOD and TSS estimates below for a single-family home.Fiscal Year2026-2027 and thereafterFlow (gpd) $126.00BOD (mg/L) 301TSS (mg/L)344Except as provided in Section 5.01.061, this ordinance also modifies District Code Section 5.01.060 - Industrial User Waste Charges by setting the formula for calculating monthly industrial user waste charges for each industry;Industrial User Sewer Service UnitAssignment Formula *ParameterCost AllocationFlow (gpd)58%BOD (mg/L)15%Assumed Loading (1.0 Unit) 126 gal/day 301 mg/LTSS (mg/L)27%344 mg/LStep 1Flow FactorStep 2Strength FactorStep 3Equivalent Dwelling Units (EDUs) Step 4Monthly Sewer Service Charge= Daily Flow ÷ 126 gals/day or Annual Flow ÷ 45,990 gals/year= 0.58+ (BOD ÷ 301 x 0.15) + (TSS ÷ 344 x 0.27)= (Flow Factor) x (Strength Factor)= (EDUs) x (Current Rate per EDU) ÷ 12This ordinance also modifies District Code Section 5.02.030 - Capacity Charge Calculation as follows: The following fees shall be paid to the District prior to the issuance of a permit to connect with the District's sewerage works.C. Industrial. Industrial capacity charges for wastewater strength and flow that exceeds domestic wastewater characteristics shall be calculated using the average daily flow, BOD, and TSS data for the anticipated peak 30-day period, with a minimum of 1.0 EDU for an industrial facility. The data shall be provided to the District. These three parameters will be applied to the following formula in the following table to determine the number of Sewer Service Units (Equivalent Dwelling Units - EDU).Industrial User Capacity ChargesAssignment FormulaParameterCost AllocationAssumed Loading (1.0 Unit)Flow58%126 gal/dayBOD15%TSS27%301 mg/L344 mg/LStep 1Flow FactorStep 2Strength Factor= Average Daily Flow 126 gals/day= 0.58+ (BOD 301 x 0.15) + (TSS ÷ 344 x 0.27)Step 3Equivalent Dwelling Units (EDUs) Step 4= (Flow Factor) x (Strength Factor)Capacity Charge=(EDUs) x (Current Single Family Dwelling Rate)Formula is designed to provide a multiplier for high-strength flows. Minimum assignment is 1.0 service unit.-Hauled Waste Fees by revising theThis ordinance also modifies District Code Section 5.03.010 calculation of hauled waste fee per gallon as indicated below: Hauled waste, including portable toilet waste and septic tank pumpage discharge waste, shall be charged as follows:Fiscal Year2026-27 and thereafterHauled Waste Fee per gallon $0.26Hauled winery waste is not included in this fee table. Winery waste can be hauled by truck to Napa Sanitation District on a case-by-case basis and charged fees determined by the General Manager at that time.2. This Ordinance Summary was prepared pursuant to Government Code section 25124. The District ordered preparation of this Ordinance Summary by an official designated by the Board.3. This Ordinance was adopted by the following vote: Ayes: Bartlett, Gallagher, Luros, Mott, Sedgley, Noes: None; Absent: None.4. A certified copy of the full text of this Ordinance is posted in the Napa Sanitation District Office, 1515 Soscol Ferry Road, Napa, CA 94558.DATED: 3/23/2026Donell MannorClerk of the Board4/2 COL-CA-10212