Oregon Administrative Rules
Chapter 629 - DEPARTMENT OF FORESTRY
Division 643 - WATER PROTECTION RULES: VEGETATION ALONG STREAMS
Section 629-643-0145 - Small Forestland Owner Minimum Option Prescription for Seeps and Springs
Current through Register Vol. 63, No. 12, December 1, 2024
(1) The following prescriptions apply to seeps and springs located in Western Oregon:
Table 3: Western Oregon Small Forestland Owner Minimum Option Vegetation Retention Riparian Management Area Distances
Stream Type |
Large |
Medium |
Small |
Upstream distance |
Type SSBT |
100 feet |
80 feet |
60 feet |
N/A |
Type F |
100 feet |
70 feet |
50 feet |
N/A |
Type N |
70 feet |
50 feet |
See Type Np | |
Type Np, into Type SSBT |
35 |
RH Max = 1,150 feet |
||
Type Np, into Type F |
35 |
RH Max = 600 feet |
||
Type D |
75 feet |
75 feet |
35 or 20 feet1 |
See OAR 629-643-0150 |
1 Upstream distance from either Type F or Type SSBT
2 20 feet outside of Type Np vegetation retention requirements
(2) The following prescriptions apply to seeps and springs located in Eastern Oregon:
Table 4: Eastern Oregon Small Forestland Owner Minimum Option Vegetation Retention Riparian Management Area Distances
Stream Type |
Large |
Medium |
Small |
Upstream distance1 |
|||
Inner |
Outer 2 |
Inner |
Outer 2 |
Inner |
Outer 2 | ||
Type F or Type SSBT |
30 |
70 |
30 |
50 |
30 |
30 |
N/A |
Type N |
30 |
45 |
30 |
30 |
- |
- | |
Type Np, Terminal |
- |
- |
- |
- |
20 |
20 |
RH Max = 500 feet |
Type Np, Lateral |
- |
- |
- |
- |
20 |
N/A |
250 feet |
Type D |
30 |
30 |
20 |
See OAR 629-643-0150 |
1 Upstream distance from either Type F or Type SSBT
2 Outer Zone shall retain 60 square feet of basal area per acre; apply OAR 629-643-0120
(3) The small forestland owner shall submit a standardized form to the State Forester when using the small forestland owner minimum option around seeps or springs.
(4) In both Western Oregon and Eastern Oregon, if the tree retention area contains side channels and wetlands that extend beyond the riparian management areas described in Tables 3 and 4, the small forestland owner shall expand the tree retention area to entirely include any side channels and wetland plus at least 25 additional feet.
Statutory/Other Authority: ORS 527.710, Section 2(1), Chapter 33, Oregon Laws 2022
Statutes/Other Implemented: ORS 527.715, 527.765, Section 2(2), Chapter 33, Oregon Laws 2022