19.70.520 Designation.
A. Critical aquifer recharge areas include:
1. Areas served by groundwater which have been designated as a “sole source aquifer area” under the Federal Safe Drinking Water Act;
a. Areas within a “closed” or “low-flow” stream watershed designated by the Department
of Ecology pursuant to RCW Chapter 90.22;
b. Areas designated as “wellhead protection areas” pursuant to Chapter 246-290 WAC and the groundwater contribution area pursuant to WAC 246-291-125(3)(d)(iii) or otherwise recognized by the Director as needing wellhead protection. Wellhead protection areas include, for the purpose of this regulation, the identified recharge areas associated with:
i. The 10-year groundwater time-of-travel for all Group A public water supply wells; or
ii. The five-year groundwater time-of-travel for all Group B public water supply wells with a wellhead protection plan filed with the Skagit County Health Department
; or
iii. Plats serviced by five or more individual wells where the average lot size is equal to or less than two acres for which a wellhead protection plan has been completed and filed with the Skagit County Health Department
; or
iv. The 1,000-foot radius for individual private drinking water supply wells, as identified by map criterion in AMC 19.70.525.
B. All areas within the city meeting one or more of these criteria, regardless of any formal identification, are hereby designated critical areas and are subject to the provisions of this chapter. (Ord. 3064 § 2 (Att. A), 2021)