Oregon Water Resources Department

Rule Rule 690-086-0340
Alternate Municipal WMCP: Water Supplier Description for Small Municipal Water Suppliers

The Small Municipal Water Supplier description element of an Alternate Municipal WMCP shall include at least the following information:
(1) A description of the supplier’s source(s) of water, including diversion, storage and regulation facilities, exchange agreements, intergovernmental cooperation agreements, and water supply or delivery contracts;
(2) A delineation of the current service areas, an estimate of the population served, and a description of how the estimate was calculated;
(3) An assessment of the adequacy and reliability of the existing water supply considering system reliability and redundancy. The Department may, at the request of the Small Municipal Water Supplier, assist with identifying potential limitations on continued use under existing water rights resulting from existing and potential future restrictions.
(4) A quantification of the water delivered by the Small Municipal Water Supplier that identifies current and available historic average annual water use, average day use, and peak day use;
(5) A tabular list of water rights held by the Small Municipal Water Supplier that includes the following information:
(a) Application, permit, transfer, and certificate numbers (as applicable);
(b) Priority date(s) for each right;
(c) Source(s) of water for each right;
(d) Type(s) of beneficial uses specified in each right;
(e) Maximum instantaneous and annual quantity of water allowed under each right;
(f) Maximum instantaneous and annual quantity of water diverted under each right to date;
(g) Average monthly and average daily diversions under each right that is conveyed through the supplier’s distribution system for the previous year, and if available for the previous five years;
(h) Currently authorized date for completion of development under each right; and
(i) Identification of any streamflow-dependent species listed by a state or federal agency as sensitive, threatened or endangered that are present in the source, any listing of the source as water quality limited and the water quality parameters for which the source was listed, and any designation of the source as being in a critical ground water area. The Department shall, at the request of the Small Municipal Water Supplier, provide the information necessary to meet the requirements of this rule.
(6) Identification and description of interconnections with other water supply systems; and
(7) A schematic of the system that shows the sources of water, storage facilities, treatment facilities, major transmission and distribution lines, pump stations, interconnections with other water supply systems, and the existing and planned future service area.

Last accessed
Jun. 8, 2021