Or. Admin. R. 690-502-0040 - General Provisions
(1) Water
availability: The classifications in OAR
690-502-0050
through 690-502-0150 limit access to natural streamflow during periods when
remaining available supplies are insufficient to meet existing water rights and
public instream uses 80 percent of the time. When improved water availability
data show that there is insufficient natural flow to support a classification ,
any permit issued shall further restrict or condition the time of use to when
water is available.
(2) Limited
licenses: The uses of surface water for which limited licenses may be issued
are prescribed in ORS
537.143(1).
Applications for limited licenses may be accepted in the Willamette Basin
unless expressly prohibited by statute, order of the State Engineer or the
Commission, or by the classifications in OAR
690-502-0050
through
690-502-0150.
(3) Surface water applications: Applications
to use surface water filed after April 18, 1991, shall be processed under the
classifications established in OAR
690-502-0050
through
690-502-0150.
Applications filed on or before April 18, 1991, shall be processed under the
classification in effect at the time of the application.
(4) Storage:
(a) Unless expressly prohibited by statute,
order or administrative rule, the surface waters of the Willamette River and
tributaries are classified for storage from November 1 to June 30. A storage
permit may be issued for a shorter time period and/or conditioned based on
water availability or compatibility with other uses and needs;
(b) Secondary applications to maintain
reservoir levels throughout the year may be processed if the proposed use is
consistent with the classification ;
(c) Water legally stored may be released or
used at any time for any beneficial purpose, such as domestic, livestock,
irrigation (during the irrigation season as specified in section (6) of this
rule), agricultural, commercial, municipal, industrial, power , mining,
recreation, fish life, wildlife, pollution abatement , wetland enhancement,
public instream uses and uses allowed under a limited license.
(5) Groundwater recharge : Use of
surface water to recharge groundwater shall be subject to the same limitations
and season as specified in section (4) of this rule. Use of groundwater from
one aquifer to recharge another shall be allowed only if consistent with the
classification of the providing aquifer as specified in OAR
690-502-0160.
(6) Expanded irrigation season: Unless
expressly limited by statute, court decree, order, administrative rule
(including classification , except for use of stored water), water availability
or any other permit condition, an irrigation season of March 1 to October 31
shall apply to future permits for primary and supplemental
irrigation.
(7) Conservation: The
Department shall require that special conservation and water use efficiency
conditions be employed when permitting the use of water from the Columbia River
Basalt Group, low-yield aquifers and water quality limited streams.
Notes
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No prior version found.