A. Recharge Area And Protection Zone Map: The extent of the recharge areas and the protection zones may be seen on the recharge area and protection zone map, exhibit 1, attached to ordinance 2000-02. The recharge area and protection zone map is incorporated and made a part of this chapter by reference. This map shall be on file in the city recorder's office and shall be maintained by the city manager and city recorder.
B. Designation Of Recharge Areas And Protection Zones:
1. The following recharge areas and protection zones are hereby designated within the city:
a. Primary recharge, as determined by the city;
b. Secondary recharge, as determined by the city;
c. Protection zone 1 shall be the area within a one hundred foot (100') radius from the well or spring, or outside margins of the collection area;
d. Protection zone 2 shall be the area within a two hundred fifty (250) day ground water TOT to the margin of the collection area, the boundary of the aquifer which supplies water to the ground water source (well or spring), or the ground water divide, whichever is closer;
e. Protection zone 3 shall be the area within a three (3) year TOT to the margins of the collection area, the boundary of the aquifer which supplies water to the ground water source (well or spring), or the ground water divide, whichever is closer;
f. Protection zone 4 shall be the area within a fifteen (15) year TOT to the margin of the collection area, the boundary of the aquifer which supplies water to the ground water source (well or spring), or the ground water divide, whichever is closer.
2. In determining the location of properties and facilities within the areas and zones depicted on the drinking water source protection maps, the following rules shall apply:
a. Property located wholly or partially in a recharge area or a protection zone on the overlay map shall be governed by the restrictions applicable to that recharge area or protection zone.
b. Properties located within more than one recharge area or protection zone as shown on the overlay map shall be governed by the restrictions applicable to the most restrictive protection zone.
C. Review Of Recharge Area Protection Zone Map: The recharge area and protection zone map shall be reviewed at least one time every five (5) years, or more frequently if determined appropriate by the city. Failure to conduct this review shall not affect the validity of the existing approved maps. The basis for updating the maps may include, but is not limited to, the following:
1. Changes in technical or scientific knowledge in the areas of geohydrology, hydraulics and geology;
2. Changes in well field configuration;
3. Changes in pumping rates for the well field;
4. Development of new wells, well fields and/or springs;
5. Changes in water quality. (1991 Code § 13.12.040, as amended)