§ 74-43. Standards for injection wells used to introduce water into an aquifer and closed loop system.

(a)

Wells constructed for the purpose of climate or thermal control shall also include the construction of an injection well. Provided, however, that discharge water may be used for irrigation purposes and water pump flow from the supply well shall be limited to three gallons per minute, per ton, of the climate or thermal control unit. Wells which have artesian flows, shall also be equipped with demand valves.

(b)

All injection wells and closed loop systems shall be constructed by a licensed water well contractor and permitted, as provided by law.

(c)

The injection well shall be located not less than 50 feet from any other well or septic tank system.

(d)

Injection well capacity shall equal or exceed the design capacity of the supply well. The well owner or contractor is required to demonstrate that the injection well is of proper design capacity.

(e)

Closed loop boreholes shall be sealed with grout or alternate materials approved by the district or the department.

(f)

No toxic substances shall be introduced into closed loop installations.

(g)

Climate or thermal control systems permitted after October 1, 1985, shall conform to conservation water restrictions imposed by the district, county, or municipality. When such restrictions are in effect, all discharge water shall be injected by way of an injection well.

(Ord. No. 2002-23, § I, 12-12-02)