11 AAC 93.140. Water wells

(a) For a drilled, driven, jetted, or augered well constructed, the water well contractor or a person who constructs the well shall file a report within 45 days after completion with both the property owner and the department. The report must contain the following information as applicable:

(1) the method of construction;

(2) the type of fluids used for drilling;

(3) the location of the well;

(4) an accurate log of the soil and rock formations encountered and the depths at which the formations occur;

(5) the depth of the casing;

(6) the height of the casing above ground;

(7) the depth and type of grouting;

(8) the depth of any screens;

(9) the casing diameter;

(10) the casing material;

(11) the depth of perforation or opening in the casing;

(12) the well development method;

(13) the total depth of the well;

(14) the depth of the static water level;

(15) the anticipated use of the well;

(16) the maximum well yield;

(17) the results of any well yield, aquifer, or drawdown test that was conducted;

(18) if the water well contractor or person who constructs the well installs a pump at the time of construction, the depth of the pump intake and the rated pump capacity at that depth.

(b) When the drill rig is removed from the well site, the well must be sealed with a sanitary seal and a readily accessible means provided to allow for monitoring of the static water level in the well.

(c) A hand-dug well that is permanently decommissioned shall be filled by the land owner to a point 12 inches above the existing ground level with well-compacted impermeable material.

(d) A well, other than a hand-dug well, that is permanently decommissioned by the owner of the well must comply with the requirements of 18 AAC 80.015(e) .

(e) If the department believes that an encounter of oil, gas, or other hazardous substance is likely to result from well drilling, the department will notify the Alaska Oil and Gas Conservation Commission, and the provisions of AS 31.05.030 (g) may apply.

(f) The department will notify the Department of Environmental Conservation of any permanently abandoned well that may contaminate water of the state under the provisions of 18 AAC 80.

(g) Information required by (a) of this section is required for any water well that has been deepened, modified, or abandoned, and for any water supply well or water well that is used for monitoring, observation, or aquifer testing, including a dry or low-yield water well that is not used.

History: Eff. 12/29/79, Register 72; am 11/7/90, Register 116; am 8/20/2004, Register 171

Authority: AS 38.05.020

AS 38.05.035

AS 46.15.020

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