Chapter 542 - WATER RESOURCE SURVEYS AND PROJECTS; COMPACTS
- SURVEY OF WATER RESOURCES (§§ 542.010 — 542.100)
- WILLAMETTE RIVER BASIN PROJECT (§§ 542.110 — 542.160)
- ROGUE RIVER WATERSHED PROJECT (§§ 542.210 — 542.490)
- OREGON-CALIFORNIA GOOSE LAKE INTERSTATE COMPACT (§§ 542.510 — 542.520)
- COLUMBIA RIVER NATURAL RESOURCES MANAGEMENT COMPACT (§ 542.550)
- KLAMATH RIVER BASIN COMPACT (§§ 542.610 — 542.720)
- WATERSHED PROTECTION AND FLOOD PREVENTION PROJECTS (§ 542.750)