17.24.1818 WATER QUALITY: IMPOUNDMENT
(1) Treatment facilities in sufficient size and number consisting of but not
limited to collection basins, water retarding structures and siltation dams
shall be constructed with prior approval of the department. All such facilities shall be constructed at
or above the points of discharge into receiving streams for the purpose of
treating acid or toxic water and for the settling of sediment prior to
discharge into the receiving stream. As
part of an application for permit, an operator shall submit the design
specifications, drawings, method of operation and control, and quality of
discharge of the treatment facilities. The operator shall indicate on the maps
submitted as part of an application for permit the proposed location of all
treatment facilities. Proposed
reclamation of treatment facilities shall be included in the reclamation
plan. Additional treatment facilities
may be required by the department after commencement of the operation if
conditions so indicate a need.
(2) All approved and constructed treatment
facilities shall be maintained in proper working order by the operator and
operated so that they will perform as proposed in the application for
permit. All treatment facilities
constructed and approved pursuant to the provisions of this rule shall be
monitored by the operator to assure continuous satisfactory performance until
approved reclamation has been accomplished.
(3) Permanent water impoundments shall not be
allowed unless approved by the department.
If the department determines at any time that the proposed impoundment
area will not fill to the expected levels, meet acceptable water quality
standards or any other relevant criteria, the impoundment area shall be
regraded and surface drainage facilitated.
(4) No water quality treatment of approved lakes
or ponds shall be permitted without department approval.
(5) Monthly monitoring reports, where applicable,
shall be submitted to the department including the number of operating
the gallons of drainage treated, a log of the tests made in accordance with ARM
17.24.1819, and a description of any operating problems and the corrective
History: 82-4-111, MCA; IMP, 82-4-125, MCA; NEW, Eff. 4/4/75; TRANS, from DSL, 1996 MAR p. 2852.