Aquifer Protection Program (APP)
Aquifer Protection Program (APP)

Purpose: The purpose of having an Aquifer Protection
Program would be to essentially protect those aquifer from
potential contamination and/or activities that affect either the
water quality or water supply.

Contamination as an issue: Contamination of water supplies
has been an issue for the Navajo Nation in areas with a high
density population, septic systems that fall, illegal septage
disposal, illegal open trash dumps, that begin to first impact
shallow aquifer.

Aquifer Protection Program would: Therefore, such a
program would monitor and protect aquifer by directly
addressing the issues with all potential sources of
contaminants. This program would be both technically and
physically feasible by following existing regulatory programs
such as, the Source Water Assessment and Protection
Program, Water Quality Program, the UIC Program, and the
NPDES Program.
Related Work that has already been done to support APP: The work necessary to make the program successful include the identification of
susceptible or high risk areas to contamination that has already been completed through a Susceptibility Assessment for each regulated public
water supply well. The results of this type of assessment include a contaminant source inventory map with the location of the public water supply well
and a half-mile radius that includes the potential contaminants of concern.

Aquifer vulnerable determinations: Aquifer or Groundwater vulnerability can then be determined using several factors, including well
construction/aquifer information (total depth, well age, aquifer recharge, hydraulic conductivity, to name a few). To avoid redundancy, a tracking
purpose for each regulatory program would be developed and essentially Groundwater Management Access (GMA) would be an end result where
concerns and priorities area identified within each GMA, of which each groundwater source would meet the *USDW definition and the aquifers end
use would be defined. USDW: Underground Source of Drinking Water
Aquifer Evaluation used to restore or maintain aquifer to safe
and reliable sources:
These types of existing evaluation support
and give the best analysis for aquifer vulnerability which then
give indication to the type of protection afforded to aquifer to
existing and future development, or end uses, on the Navajo
Nation. Continuous groundwater monitoring under this program
would demonstrate the stability of aquifer conditions.
Geochemical characteristic and contaminant concentrations of
aquifer (aquifer characteristics) would show any trends or
changes in water quality overtime (before, during and after) any
development or mining activities. Activities would need to be
permitted and any instability of aquifer conditions would be
cause for the business site lease owner to restore aquifer
conditions to baseline or to Aquifer Protection/Aquifer Water
Quality standard.

APP Goal: The goal is to protect public health and such a
program would be coupled with a public education program for
each GMA that provides information relevant to any health
hazards of potential contaminant sources in each aquifer on the
Navajo Nation.