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Chapter 153 Water Resource Management Adopted 6/28/2022 Page 19 of 34 (c)Offsite Treatment Sequencing. If water quality and/or volume treatment cannot be fully provided on-site in a cost-effective manner per a and b, the offsite treatment may be utilized to provide remaining treatment at locations in the following order of preference. The combination of on-site and off-site treatment must yield the minimum required stormwater benefit and be approved by the County prior to construction. Order of preference for offsite treatment: (i)To a location that yields benefits to the same receiving water that receives runoff from the original construction activity. (ii)Within the same DNR catchment area as the impact. (iii)In the next adjacent DNR catchment area upstream. (iv)Any feasible location within the CCWMO. (D)Alternative Compliance Options. If specific site conditions may make water quality treatment and/or volume control treatment difficult, undesirable, or impossible AND offsite treatment is not feasible. The applicant may submit a request to the County for alternative compliance treatment. Alternative compliance options are only available following the sequencing steps outlined above (§ 153.56.C.1.c). All requests for alternative compliance shall address the treatment location sequencing steps, indicate the specific site conditions and limitations present, and include the applicable submittals per §§ 153.42 – 153.43. The County may request site-specific information, such as soils data, local water table data, and correspondence from parties affected by the project when deciding on alternative compliance eligibility. (1)Banked Credits. Water quality treatment and volume reduction credits may be purchased from qualifying banks. To qualify, the bank must be within the CCWMO and must be reviewed and approved by the County per the water rules in place at the time of approval. Banked credit locations will be reviewed by the County according to the order of preference for alternative compliance treatment locations. Applicants shall submit a letter to the County outlining the conditions of the transfer and confirming the volume of the transfer. The County must review and approve all credit transfers. (2)In-Lieu Fee. The applicant may choose to pay into the County’s Stormwater Treatment In-Lieu Fund to cover the cost of implementing equivalent stormwater treatment elsewhere in the CCWMO. (a)The required amount to contribute to the In-Lieu Fund shall be based on the cost of planning, designing, constructing, and maintaining stormwater BMP(s) that provide the required water quality treatment and/or volume reduction credit. This amount shall be calculated as: (i)The flat fee per cubic foot of stormwater treatment required based on the Carver County fee schedule, as update from time to time; OR (ii)80% of the estimated cost provided by the applicant, provided as an itemized list, and as reviewed and approved by the County. (b)Money contributed to the Stormwater Treatment In-Lieu Fund shall be allocated to water quality treatment and/or volume reduction projects by the county according to the Water Plan, local Stormwater Management Plans, and the county’s list of stormwater