OAR 690-502-0240
Groundwater-Surface Water Hydraulic Connection

These rules are in addition to the requirements of OAR 690, division 009. Groundwater in unconfined alluvium within ¹⁄₄ mile of the banks of a stream or surface water source is presumed to be in hydraulic connection with the surface water source, unless the applicant or appropriator provides satisfactory information or demonstration to the contrary. This hydraulically connected groundwater shall be classified the same as the surface source. This section shall not apply to those groundwater uses exempted by ORS 537.545 (Exempt uses). Notwithstanding such classification, permits may be issued for the use of water from a well in an unconfined aquifer that is hydraulically connected to groundwater, within a quarter mile of a stream, provided that surface water impacts are mitigated through storage releases.

Source: Rule 690-502-0240 — Groundwater-Surface Water Hydraulic Connection, https://secure.sos.state.or.us/oard/view.action?ruleNumber=690-502-0240.

690‑502‑0010
Definitions 690‑502‑0020
Policies 690‑502‑0030
Objectives 690‑502‑0040
General Provisions 690‑502‑0050
Main Stem Willamette River Subbasin 690‑502‑0060
Middle Fork Willamette River Subbasin 690‑502‑0070
Coast Fork Willamette River Subbasin 690‑502‑0080
McKenzie River Subbasin 690‑502‑0090
Long Tom River Subbasin 690‑502‑0100
Coast Range Subbasin 690‑502‑0110
Santiam River-Calapooia River Subbasin 690‑502‑0120
Molalla River-Pudding River Subbasin 690‑502‑0130
Tualatin River Subbasin 690‑502‑0140
Clackamas River Subbasin 690‑502‑0150
Columbia Subbasin 690‑502‑0160
Groundwater Classifications and Conditions 690‑502‑0170
Sandy-Boring Ground Water Limited Area 690‑502‑0180
Damascus, Gladtidings, Kingston, Mt. Angel, Parrett Mountain, and Stayton-Sublimity Ground Water Limited Areas 690‑502‑0190
Sherwood-Dammasch-Wilsonville Ground Water Limited Area 690‑502‑0200
Chehalem Mountain, Eola Hills and South Salem Hills Ground Water Limited Areas 690‑502‑0210
Amity Hills/Walnut Hill Ground Water Limited Area 690‑502‑0215
Five-Year Limited Permits 690‑502‑0240
Groundwater-Surface Water Hydraulic Connection 690‑502‑0250
Special Columbia River Basalt Group Aquifer Permit Conditions 690‑502‑0260
Special Permit Conditions

Last Updated

Jun. 8, 2021

Rule 690-502-0240’s source at or.us

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Location: https://oregon.public.law/rules/oar_690-502-0240

Original Source: Rule 690-502-0240 — Groundwater-Surface Water Hydraulic Connection, https://secure.sos.state.or.us/oard/view.action?ruleNumber=690-502-0240 (last accessed Jun. 8, 2021).