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Wastewater charges are hereby established for Sioux Falls local wastewater customers of the wastewater facilities as follows:
(a) Residential rate. Per 100 cubic feet for service:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$5.29 | $5.61 | $5.94 | $6.24 | $6.55 |
In circumstances where there is no prior water usage for calculating a sewer rate, the charge shall based on estimates prepared by the city.
(1) Actual water use for the most recent months of November, December, January, and February.
(2) All other months shall be billed based on the average water usage during the most recent months of November, December, January, and February.
(3) The city may adjust the months used for calculating wastewater charges if unusual weather conditions promote outdoor water use.
(4) If no consumption history is available for the period of November through February, 7.00 ccf will be used to determine the wastewater charges or on estimates prepared by the city.
(b) Domestic only commercial rate. Domestic only commercial users shall be billed based on the volume of water used and discharged to the POTW. The volume charge shall be per 100 cubic feet for service.
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$6.07 | $6.44 | $6.82 | $7.16 | $7.52 |
and shall be determined by:
(1) Separate water meter(s).
(2) Actual water use for the months of November, December, January, and February.
(3) All other months shall be billed based on the average water usage during the months of November, December, January, and February.
(4) Estimates prepared by the city.
(5) The city may adjust the months used for calculating wastewater charges if unusual weather conditions promote outdoor water use.
(c) Commercial rate. Commercial users of the wastewater utility shall be billed monthly. The monthly charge shall be based on the water consumption during that month. The charge for each billing period shall be per 100 cubic feet for service.
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$6.07 | $6.44 | $6.82 | $7.16 | $7.52 |
(d) Industrial rate.
(1) If the concentration of waste from any user exceeds 220 milligrams per liter of BOD, 220 milligrams per liter of TSS, or 100 milligrams per liter of grease, the industrial user shall be subject to the following rates:
Effective Dates
| |||||
January 1, 2023 | January 1, 2024 | January 1, 2025 | January 1, 2026 | January 1, 2027 | |
Flow, per 1,000 gallons | $2.09 | $2.22 | $2.35 | $2.47 | $2.59 |
BOD, per pound | $0.2903 | $0.3077 | $0.3262 | $0.3425 | $0.3596 |
TSS, per pound | $0.2790 | $0.2958 | $0.3135 | $0.3292 | $0.3456 |
TKN, per pound | $1.0641 | $1.1280 | $1.1956 | $1.2554 | $1.3182 |
Grease, per pound | $1.0641 | $1.1280 | $1.1956 | $1.2554 | $1.3182 |
(2) All industrial users shall be subject to a monthly fixed charge:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$20.53 | $21.77 | $23.07 | $24.23 | $25.44 |
(3) Industrial wastewater charges shall be based on waste discharged during that month as monitored by the water reclamation department or by estimates prepared by the city. For industries discharging only nonprocessed domestic strength wastewater, the rate shall be per 1,000 gallons for service.
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$8.13 | $8.61 | $9.13 | $9.59 | $10.07 |
(e) Surcharges and rates for Clean Water State Revolving Fund Loans 35 and 36. The following wastewater service surcharges shall be applicable to all customers served by the Sioux Falls Wastewater System and shall be in proportion to the volume of wastewater generated by the customers as follows:
(1) The surcharge for Clean Water State Revolving Fund Loan 35 is $0.24 per 100 cubic feet of wastewater for the services listed in § 51.081(a) through (c) and $0.32 per 1,000 gallons of wastewater for services listed in § 51.081(d). The surcharge for Clean Water State Revolving Fund Loan 36 is $0.32 per 100 cubic feet of wastewater for the services listed in § 51.081(a) through (c) and $0.43 per 1,000 gallons of wastewater for services listed in § 51.081(d).
(2) The volumetric rates for sanitary sewer service in § 51.081(a) through (d) of the Code of Ordinances of the City of Sioux Falls are hereby reduced in an amount equivalent to the surcharge established above.
(3) The surcharges for Clean Water State Revolving Fund Loan 35 shall remain in effect until the bonds provided in Ordinance 44-15 are discharged or defeased and all costs of the project approved in said ordinance have been paid. The surcharges for Clean Water State Revolving Fund Loan 36 shall remain in effect until the bonds provided in Ordinance 113-15 are discharged or defeased and all costs of the project approved in said ordinance have been paid.
(f) Liquidated damages. If any user discharges waste that is in violation of the provisions of § 53.040 including slug loads, the user may be subject to a charge equal to the maximum of twice the industrial rates specified in subsection (d) above until the violation ceases. The enforcement of liquidated damages shall be at the discretion of the city and shall not be the city's sole remedy for such violation(s).
(g) Fixed charge. Residential users shall be subject to a monthly charge for service:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$5.62 | $5.96 | $6.32 | $6.63 | $6.96 |
All Commercial users shall be subject to a monthly charge for service:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$23.39 | $24.80 | $26.29 | $27.60 | $28.98 |
(1992 Code, § 41-71) (Ord. 48-81, passed 6-1-1981; Ord. 8-82, passed 1-18-1982; Ord. 24-82, passed 3-15-1982; Ord. 105-82, passed 10-4-1982; Ord. 4-85, passed 1-14-1985; Ord. 111-85, passed 12-30-1985; Ord. 82-86, passed 9-15-1986; Ord. 88-87, passed 10-26-1987; Ord. 96-89, passed 9-11-1989; Ord. 85-90, passed 9-4-1990; Ord. 102-90, passed 10-22-1990; Ord. 64-91, passed 8-5-1991; Ord. 84-93, passed 12-6-1993; Ord. 102-96, passed 9-3-1996; Ord. 132-98, passed 12-7-1998; Ord. 131-99, passed 12-13-1999; Ord. 42-01, passed 5-14-2001; Ord. 154-06, passed 11-20-2006; Ord. 91-07, passed 6-18-2007; Ord. 77-08, passed 6-16-2008; Ord. 60-09, passed 6-15-2009; Ord. 55-10, passed 6-21-2010; Ord. 21-11, passed 4-8-2011; Ord. 22-11, passed 4-18-2011; Ord. 50-12, passed 7-10-2012; Ord. 35-13, passed 6-18-2013; Ord. 35-14, passed 6-17-2014; Ord. 46-15, passed 5-12-2015; Ord. 111-15, passed 11-17-2015; Ord. 47-16, passed 5-3-2016; Ord. 114-18, passed 12-4-2018; Ord. 109-19, passed 11-12-2019; Ord. 43-23, passed 6-20-2023)
Wastewater charges are hereby established for regional wastewater customers of the regional wastewater system as follows. Regional wastewater customers shall be billed monthly. The regional wastewater charge for each billing period shall include the following:
(a) Fixed charge. Each regional wastewater customer shall be subject to a monthly base charge:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$20.53 | $21.77 | $23.07 | $24.23 | $25.44 |
(b) In addition to the monthly fixed charge as set forth in subsection (a), regional wastewater customer rates are hereby established for use of the regional wastewater system as follows:
(1) Regional wastewater customer base rate per 1,000 gallons for service:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$6.40 | $6.78 | $7.19 | $7.55 | $7.93 |
Credits for equalization and treatment shall apply as follows if all of the following conditions are met for either criterion by the regional wastewater customer:
Base Rate Credits
A. Equalization. Equalization is defined as a regional wastewater customer maintaining a 30-day continuous storage volume based on the regional wastewater customer's average annual daily flow volume. The base rate credit for maintaining the required equalization storage shall be per 1,000 gallons for service:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$0.71 | $0.75 | $0.80 | $0.84 | $0.88 |
The city may inspect and request verification of the 30-day storage at any time. If the 30-day storage is not continuously maintained, it will be at the city's discretion to cease any further equalization credits until the 30-day equalization storage is proven to exist to the satisfaction of the city unless a prorated credit is granted pursuant to subsection C of this section. The credit will not be applied thereafter until equalization storage has been maintained continuously for a full billing cycle.
B. Treatment.
1. Treatment is defined as wastewater with the following strength parameters or less:
a. BOD = 20mg/l
b. TKN = 10mg/l
c. TSS = 45mg/l
2. If all the strength parameters are met for testing performed during the monthly billing cycle, the credit will be applied to the base rate. The credit for maintaining all the required wastewater strength parameters shall be per 1,000 gallons for service:
Effective January 1, 2023 | Effective January 1, 2024 | Effective January 1, 2025 | Effective January 1, 2026 | Effective January 1, 2027 |
$0.87 | $0.92 | $0.97 | $1.02 | $1.07 |
If at any time any one of the strength parameters is exceeded in a billing cycle within a month, the monthly billing for such period will not include a treatment credit to the base rate. The credit will not be applied thereafter until all wastewater strength parameters are met for an entire calendar monthly billing cycle.
C. Prorated base rate credits. At the discretion of the manager, a prorated credit may be established through the wastewater joint powers agreement for a regional wastewater customer that is unable to achieve the above set criteria.
(c) Surcharges and rates for Clean Water State Revolving Fund Loans 35 and 36. The following wastewater service surcharges shall be applicable to all customers served by the Sioux Falls Wastewater System and shall be in proportion to the volume of wastewater generated by the customers as follows:
(1) The surcharge for Clean Water State Revolving Fund Loan 35 as approved by Sioux Falls Ordinance 45-15 is $0.32 per 1,000 gallons of wastewater for services listed in § 51.081.01(b)(1). The surcharge as approved by Sioux Falls Ordinance 112-15 is $0.70 per 1,000 gallons of wastewater for services listed in § 51.081.01(b)(1).
(2) The volumetric rates for sanitary sewer service in § 51.081.01(b)(1) of the Code of Ordinances of the City of Sioux Falls are hereby reduced in an amount equivalent to the surcharges established above.
(3) The surcharge for Clean Water State Revolving Fund Loan 35 shall remain in effect until the bonds provided in Ordinance 44-15 are discharged or defeased and all costs of the project approved in said ordinance have been paid. The surcharge for Clean Water State Revolving Fund Loan 36 shall remain in effect until the bonds provided in Ordinance 113-15 are discharged or defeased and all costs of the project approved in said ordinance have been paid.
(Ord. 35-13, passed 6-18-2013; Ord. 35-14, passed 6-17-2014; Ord. 46-15, passed 5-12-2015; Ord. 111-15, passed 11-17-2015; Ord. 47-16, passed 5-3-2016; Ord. 114-18, passed 12-4-2018; Ord. 43-23, passed 6-20-2023)
(a) Regional wastewater users.
(1) All regional wastewater users will be required to pay to the city the regional wastewater system development charges, "Regional SDCs," for regional wastewater system capacity.
(2) The amount of the Regional SDCs shall be established from time to time by the city via ordinance, which ordinances (and the Regional SDCs set forth therein), as amended from time to time, are hereby incorporated herein by reference. The Regional SDC charges shall be charged based on the number and size of water meters. The following table indicates the Regional SDC charges based on water meter size:
Water Meter Size, Inch | Regional Wastewater System "Regional SDC" Cost Per Water Meter Size |
5/8" to 3/4" | $2,391 |
1" | $5,978 |
1 1/2" | $11,954 |
2" | $19,127 |
3" | $35,863 |
4" | $60,000 |
(3) The Regional SDC charges shall be determined and allocated to the separate Regional SDC account annually.
(4) Where new development of an existing property requires a larger water meter size, the Regional SDC shall be determined based on the difference between the previous use water meter size Regional SDC and the new water meter size Regional SDC.
(5) In no case will the Regional SDC be allowed a credit for decreased capacity use or water meter size.
(6) Fire flows shall not be included in calculating the Regional SDC. If fire flows do not have separate metered systems, the manager shall administratively calculate the actual water use meter size for determining the Regional SDC.
(b) Regional wastewater customers.
(1) The city shall request in January of each year the number and size of new water meters installed for the previous year from all regional wastewater customers. The regional wastewater customer shall submit the data to the city by February 15 each year. The city will use this data for calculating and invoicing the total annual Regional SDC for the regional wastewater customer. The regional wastewater customer will be required to submit full payment to the city by March 15 of each year for the previous year's Regional SDC. If the regional wastewater customer is late on payment, interest shall begin accruing on March 15 and shall continue to accrue until full payment is received. Interest shall be in accordance with § 51.009.
(2) Quarterly reports of the number and sizes of water meters installed in the noncity regional wastewater customers shall be submitted to the city by January 15, April 15, July 15, and October 15 of each year.
(3) The city shall at any time have access to the water meter data for the noncity regional wastewater customer for review, inspection, and audit.
(Ord. 35-13, passed 6-18-2013)
(a) There are hereby established the required accounts for the purpose of managing the revenues derived and to be derived from the city's sanitary sewer system. A separate account, to be known as the operation and maintenance account, shall be established for purposes of paying the operation and maintenance costs of the POTW. Funds required for this account shall take precedence to ensure satisfactory operation of the system.
(b) A separate account to be known as the Regional SDC account shall be established and collected annually. The Regional SDC account funds will be allocated annually in accordance with the city's internal policies. No regional wastewater customer or city wastewater customer shall have any right, title, or interest in such account.
(1992 Code, § 41-73) (Ord. 48-81, passed 6-1-1981; Ord. 111-85, passed 12-30-1985; Ord. 88-87, passed 10-26-1987; Ord. 96-89, passed 9-11-1989; Ord. 35-13, passed 6-18-2013)
Sewer use rates shall be reviewed at least biennially and shall be revised as necessary to keep revenues reasonably in balance with anticipated expenditures. Excess funds may be carried forward from year to year in the respective accounts. This review shall include an analysis of the balance credited to the repair and replacement account, so that sufficient funds are accrued to provide for the expected replacement costs of the sewer system. Adequate funds shall be generated and credited to the operation and maintenance account to pay the costs of operation and maintenance. This rate review shall continue the fair and equitable distribution of all costs to all of the system’s users.
(1992 Code, § 41-74) (Ord. 48-81, passed 6-1-1981)
The user shall be provided with written annual notice of the sewer use rate and of that portion of the user charge which is attributed to wastewater treatment. The notice shall also be provided to the user after the review of rates described in § 51.083, and shall include the findings and determination of the review.
(1992 Code, § 41-75) (Ord. 48-81, passed 6-1-1981)
Any user discharging toxic pollutants to the wastewater collection system shall pay for the increased costs of managing the effluent or sludge by the treatment works. Charges shall be as deemed necessary by city to recover the increased costs.
(1992 Code, § 41-76) (Ord. 48-81, passed 6-1-1981)
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