| ORDINANCE | DESCRIPTION | ADOPTION DATE |
| 1 | opens in a new windowClearance Maintenance of Secondary Roads During Winter Months | 12/20/1984 |
| 1 – Amendment 1 | opens in a new windowAmending Clearance Maintenance of Secondary Roads During Winter Months | 12/12/2000 |
| 2 | opens in a new windowIndustrial Property Tax Exemption | 3/31/1986 |
| 3 | opens in a new windowPublic Road Right-of-Way | 8/15/1988 |
| 4 | opens in a new windowSeparation of Yard Wastes from all other Garbage and Refuse | 4/15/1991 |
| 5 | opens in a new windowUniform Rural Address System | 5/6/1991 |
| 6 | opens in a new windowReadoption of Ordinances (1991) | 12/9/1991 |
| 7 | opens in a new windowEstablishing General Relief Policies | 4/19/1993 |
| 7 – Amendment 1 | opens in a new windowAmending General Relief Policies (1995) | 6/12/1995 |
| 7 – Amendment 2 | opens in a new windowAmending General Relief Policies (1999) | 7/6/1999 |
| 7 – Amendment 3 | opens in a new windowAmending General Relief Policies (2014) | 6/30/2014 |
| 8 | opens in a new windowEstablishing a Local Option Sales and Services Tax | 10/30/1995 |
| 9 | opens in a new windowHazardous Waste and Hazardous Substance | 6/10/1996 |
| 10 | opens in a new windowConstruction and Abandonment of Private Water Wells | 9/13/1996 |
| 11 | opens in a new windowReadoption of Ordinances (1997) | 12/23/1997 |
| 12 | opens in a new windowProhibiting the Possession, Display, Sale or Distribution of Drug Paraphernalia | 5/5/1998 |
| 13 | opens in a new windowEstablishing a Local Option Sales and Services Tax for the City of Hartley | 5/5/1998 |
| 14 | opens in a new windowPurchase of Tax Sale Certificates on Parcels with Delinquent Taxes | 8/31/1999 |
| 15 | opens in a new windowOn-Site Wastewater Treatment and Disposal Systems (Septic System Guidelines) | 10/12/1999 |
| 16 | opens in a new windowPrivate Water Well Construction Permit Rules | 5/16/2000 |
| 17 | opens in a new windowVoting Precincts for O’Brien County | 9/14/2001 |
| 18 | opens in a new windowLocal Office Fee for Uniform Commercial Code (UCC) Information Request | 7/30/2002 |
| 19 | opens in a new windowAssessment of Wind Energy Conversion Property | 9/2/2003 |
| 20 | opens in a new windowLocal Option Sales and Services Tax within the School Districts of O’Brien County | 9/12/2003 |
| 21 | opens in a new windowProperty Taxes Levied and Collected within Adoption of Urban Renewal Area #1 | 12/12/2006 |
| 22 | opens in a new windowWind Energy Device Construction and Maintenance Standards | 5/25/2010 |
| 22 – Amendment 1 | opens in a new windowAmending Wind Energy Device Construction and Standards | 7/15/2015 |
| NA | opens in a new windowReadoption of Ordinances (2010) | 11/2/2010 |
| 23 | opens in a new windowConstruction and Reconstruction of Roadways and Bridges (2015) | 9/15/2015 |
| 23 – Amendment | Construction and Reconstruction of Roadways and Bridges (2019) | 7/2/2019 |
| 24 | opens in a new windowPaullina Municipal Airport Land Use and Height Overlay Zoning | 4/26/2016 |
| 25 | Ordinance regulating the operations of Off-Highway Vehicles | 2/21/2017 |
| 26 | General Assistance Ordinance – Repeals earlier General Assistance ordinances | 4/21/2020 |
| 27 | An Ordinance prohibiting the unlawful use of engine & compression brakes | 7/28/2020 |
