Exhibit A KCC 17A Revisions - Laserfiche WebLink

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Kittitas County, WA § 17A.03.040 CRITICAL AREAS § 17A.03.050 Downloaded from https://ecode360.com/KI6857 on 2025-05-15 § 17A.03.040. Protection standards. 1. Storage tanks. Aboveground and underground storage tanks or vaults used for the storage of hazardous substances, animal wastes, sewage sludge, fertilizers, other chemical or biological hazards, dangerous wastes as defined in WAC Chapter 173-303, or any other substances, solids, or liquids in quantities identified by Kittitas County Public Health as a risk to groundwater quality, shall be designed and constructed to: a. Prevent the release of such substances to the ground, ground waters, or surface waters; b. Include an impervious containment area with a volume greater than the volume of the storage tank or vault to avoid an overflow of the containment area; c. Provide for release detection; d. Provide written spill response and spill notification procedures to the local fire district; e. Use material in the construction or lining of the storage containment area which is compatible with the substance to be stored to protect against corrosion or leakage, or otherwise designed in a manner to prevent the release or threatened release of any stored substance; and f. Comply with WAC 173-303 and 173-360 as well as International Building Code requirements. 2. Commercial vehicle repair, servicing, and salvaging facilities. Vehicle repair and servicing activities shall be conducted over impermeable pads and within a covered structure capable of withstanding normally expected weather conditions. Chemicals used in the process of vehicle repair, servicing, and salvaging must be stored in a manner that protects them from weather and provides containment should leaks occur. Dry wells shall not be allowed on sites used for vehicle repair, servicing, and salvaging. Dry wells existing on the site prior to facility establishment must be abandoned using techniques approved by the Washington State Department of Ecology prior to commencement of the proposed development. 3. Reclaimed wastewater. Use of reclaimed wastewater must be in accordance with adopted water or sewer comprehensive plans that have been approved by Ecology. 4. Other regulated uses. Protection standards for other uses regulated under KCC § 17A.03.030 shall be based on analysis and recommendations contained in the hydrogeologic reports required for specific projects. (Ord. 2021-016, 2021) § 17A.03.050. Reporting. 1. When required. Except for storage tanks, all uses listed in KCC § 17A.03.030 require County review and approval of a special hydrogeological assessment prepared by a qualified professional. 2. Contents. The hydrogeological assessment shall include the general critical areas report requirements of KCC § 17A.01.080 in addition to the following: a. Geologic setting and soils information for the site and surrounding area; b. Water quality data, including pH, temperature, dissolved oxygen, conductivity, nitrates, and bacteria; c. Location and depth of perched water tables;