Source Water Protection Activity Guide

Quick Select

Use any of the following drop-down menus to navigate through the guide. Choosing a potential contaminant source category from the drop-down menu will narrow your potential contaminant source choices. Choosing a protection activity category from the drop-down menu will narrow your protection activity choices.


Contaminant Type


Potential Contaminant Source Category Potential Contaminant Source


Protection Activity Category Protection Activity



Overlay District: Aquifer

Protection Activity: Regulations and Permits

To preserve and maintain ground water supplies and recharge, an aquifer overlay district controls the land cover and activities that occur in the primary recharge area. The amount of impervious area can be limited within an aquifer overlay zone, which will generate less runoff and fewer pollutants transported to ground water and receiving waters. Additionally, certain land uses could impact water quality and should be limited or prohibited in an aquifer overlay district:

- Fuel oil storage

- Gas stations

- Unenclosed or uncovered outdoor storage of road salt

- Landfills, solid-waste transfer stations, and recycling or composting facilities

- Industrial uses such as chemical laboratories



Resources for this Protection Activity:
  • Source Water Protection Ordinance Template
    In working with the Idaho Department of Environmental Quality (IDEQ), AIC legal counsel, Jerry Mason, has developed a memo explaining the source water protection process and an ordinance prototype that Idaho communities can explore with their own attorneys.

Related Sources: