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Kittitas County, WA <br />$ 17A.03.040 CRITICAL AREAS $ 17A.03.050 <br />$ 17A.03.040. Protection standards. <br />l. Storagetanks. Aboveground and underground storage tanks orvaults used forthe storage ofhazardous <br />substances, animal wastes, sewage sludge, fertilizers, other chemical or biological hazards, dangerous <br />wastes as defined in WAC Chapter 173-303, or any other substances, solids, or liquids in quantities <br />identified by Kittitas County Public Health as a risk to groundwater quality, shall be designed and <br />constructed to: <br />a. Prevent the release ofsuch substances to the ground, ground waters, or surface waters; <br />b. Include an impervious containment area with a volume greater than the volume of the storage <br />tank or vault to avoid an overflow of the containment area; <br />c. Provide for release detection; <br />d. Provide written spill response and spill notification procedures to the local fire district; <br />e. Use material in the construction or lining of the storage containment area which is compatible <br />with the substance to be stored to protect against corrosion or leakage, or otherwise designed in <br />a manner to prevent the release or threatened release ofany stored substance; and <br />f. Comply with WAC 173-303 and 173-360 as well as International Building Code requirements. <br />2. Commercial vehicle repair, servicing, and salvaging facilities. Vehicle repair and servicing activities <br />shall be conducted over impermeable pads and within a covered structure capable of withstanding <br />normally expected weather conditions. Chemicals used in the process of vehicle repair, servicing, and <br />salvaging must be stored in a manner that protects them from weather and provides containment <br />should leaks occur. Dry wells shall not be allowed on sites used for vehicle repair, servicing, and <br />salvaging. Dry wells existing on the site prior to facility establishment must be abandoned using <br />techniques approved by the Washington State Department of Ecology prior to commencement of the <br />proposed development. <br />3. Reclaimed wastewater. Use of reclaimed wastewater must be in accordance with adopted water or <br />sewer comprehensive plans that have been approved by Ecology. <br />4. Other regulated uses. Protection standards for other uses regulated under KCC $ 174.03.030 shall be <br />based on analysis and recommendations contained in the hydrogeologic reports required for specific <br />projects. <br />(Ord.2021-016,2021) <br />S 17A.03.050. Reporting. <br />1. When required. Except for storage tanks, all uses listed in KCC $ 17A.03.030 require County review <br />and approval ofa special hydrogeological assessment prepared by a qualified professional. <br />2. Contents. The hydrogeological assessment shall include the general critical areas report requirements <br />of KCC $ 17A.01.080 in addition to the following: <br />a. Geologic setting and soils information for the site and surounding area; <br />b. Water quality data, including pH, temperature, dissolved oxygen, conductivity, nitrates, and <br />bacteria; <br />c. Location and depth ofperched water tables; <br />Downloaded from https://ecode360.com/Kl6857 on 2025-05-15