When used in this chapter the following words and phrases shall have the meaning given in this section:
COMMUNITY WATER SYSTEM: A public water system which serves at least fifteen (15) service connections used by year round residents or regularly serves at least twenty five (25) year round residents.
HAZARDOUS WASTE OR HAZARDOUS MATERIALS: Any water or material which because of its concentration or physical, chemical or infectious characteristics may:
A. Cause or significantly contribute to an increase in mortality or an increase in serious irreversible or incapacitating reversible illness;
B. Pose a substantial present or potential hazard to human health or to the environment when improperly treated, stored, transported, disposed of or otherwise managed;
C. Any material or substance designated as a hazardous or toxic substance by the United States of America acting through the environmental protection agency or any successor agency, section 101 (14 of the comprehensive environment response compensation and liability act of 1980), or any material or substance designated as a hazardous or toxic substance by the state of Idaho, acting through the division of environmental quality or any successor agency.
NONCOMMUNITY WATER SYSTEM: A public water system that is not a community water system.
PUBLIC WATER SYSTEM: A system for the provision to the public of piped water for human consumption, if such system has at least fifteen (15) service connections or regularly serves an average of at least twenty five (25) individuals daily for at least sixty (60) days out of the year. Such term includes: a) any collection, treatment, storage and distribution facilities under the control of the operator of such system, and b) any collection or pretreatment storage facilities not under such control which are used primarily in connection with such system. A public water system is either a "community water system" or a "noncommunity water system".
TIME OF TRAVEL ZONES (TOT): The time required for a contaminant to reasonably move in the ground from a specific point to a well. The areas over which contaminants will typically travel during a specified period in a specified type of aquifer.
WELLHEAD PROTECTION ZONE I: A minimum fixed radius extending no less than fifty feet (50') radially from the wellheads supplying potable water to the city.
WELLHEAD PROTECTION ZONE II: A five (5) year time travel zone as determined from the table, titled "Columbia River Basalt", attachment 3 to the ordinance codified in this chapter.
WELLHEAD PROTECTION ZONE III: A ten (10) year time of travel zone as determined from the table, titled "Columbia River Basalt", attachment 3 to the ordinance codified in this chapter.
WELLHEAD PROTECTION ZONES: Wellhead protection zones are delineated, using a calculated fixed radius based on pertinent hydrogeologic data as determined from the table, titled "Columbia River Basalt", attachment 3 to the ordinance codified in this chapter. (Ord. 136 § 2, 1994)