Measures & Initiatives 1970 to 1979
| Election Date | Description | |||
| 05/26/1970 | Antipollution Aid Through Sewer User Charges Amend Charter Section 11-302 | Yes No | 60,067 49,750 | |
| 05/26/1970 | Revising City Vacancy-In-Office Provision Amend Charter Section 2-206 | Yes No | 52,556 47,266 | |
| 05/26/1970 | Dock Commission, Port of Portland Consolidation Amend Charter (Insert Section 6-105) Removed from Ballot Resolution No. 30728 5/20/70 | | ||
| 11/03/1970 | City Government, Public Safety Income Tax Amend Charter (Insert Section 7-110) | Yes No | 55,422 73,995 | |
| 11/03/1970 | Dock Commission, Port of Portland Consolidation Amend Charter (Insert Section 6-105) | Yes No | 92,704 30,532 | |
| 12/14/1971 | Consolidating Municipal and District Courts Amend Charter Chapter 2 | Yes No | 34,367 15,255 | |
| 12/14/1971 | Revising Lien Collection Procedures Amend Charter Section 9-804 | Yes No | 36,797 12,233 | |
| 12/14/1971 | Assessment-Collection Bonds Interest Rate Amend Charter Section 9-907 | Yes No | 29,426 17,583 | |
| 12/14/1971 | Campaign Expenditures and Reports Amend Charter (Repeal Section 3-121) | Yes No | 33,824 14,827 | |
| 12/14/1971 | Auditor's Records of Property Ownership Amend Charter Section 2-511 | Yes No | 36,191 12,757 | |
| 12/14/1971 | Hotel, Motel, Other Transient Lodging Tax Amend Charter (Insert Section 7-110) | Yes No | 29,370 21,779 | |
| 05/08/74 | City-County Consolidation Measure was on County Ballot, not City | | | |
| 11/05/1974 | Increasing Contract Limitation Without Written Agreement Amend Charter Chapter 8 | Yes No | 38,747 78,559 | |
| 11/05/1974 | Changing Urban Renewal Bond Limitation Amend Charter Section 15-106 | Yes No | 61,086 49,698 | |
| 11/05/1974 | Measure Referred to Voters by Council | Yes No | 93,523 40,382 | |
| 11/05/1974 | Ordinance Proposed by Initiative Petition | Yes No | 33,932 103,498 | |
| 11/02/1976 | Amend Charter Section 1-106 | Yes No | 70,724 61,094 | |
| 11/02/1976 | Amend Charter Sections 14-102,14-103,14-105 Repeal 14-108 & 14-109 - Measure Referred to Voters by Council | Yes No | 79,275 56,992 | |
| 11/02/1976 | $7,200.000 Measure Referred to Voters by Council | Yes No | 68,633 81,574 | |
| 11/02/1976 | Ordinance Proposed by Initiative Petition | Yes No | 55,543 95,808 | |
| 11/08/1977 | Amend Charter Section 2-105 - Measure Referred to Voters by Council | Yes No | 22,515 21,193 | |
| 05/23/1978 | Measure Referred to Voters by Council | Yes No | 36,197 48,719 | |
| 11/07/1978 | Amend Charter (Insert Section 11-107) - Measure Referred to Voters by City Council | Yes No | 71,151 68,760 | |
| 11/07/1978 | Amend Charter Section 7-110 - Measure Referred to Voters by City Council | Yes No | 81,603 52,587 | |
| 11/07/1978 | Amend Charter Section 8-104 - Measure Referred to Voters by City Council | Yes No | 65,801 46,506 | |
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