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Ravenna Township

Ravenna is a township of natural contrasts; from its hilly eastern portions characterized by bluffs overlooking pleasant river valleys, to the rolling lands of its western boundaries, Ravenna is an area of natural scenic beauty.  Both the Mississippi and Vermillion Rivers run within Ravenna's borders.  

The Vermillion traverses the township from the northwestern corner to the southeastern edge, while the Mississippi River forms the northeastern border of Ravenna with five miles of shoreline on the edge of the township.

The name of the township was chosen in 1860 by Mrs. Harriet P. Norton, the wife of a property owner named Albert T. Norton who had been instrumental in the township's formation.  Mrs. Norton had once taught school in the City of Ravenna, Ohio.  She reported that the place and the people were very pleasant and thus she chose that name for the new township.


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Frequently Asked Questions

How many horses may I have?

The answer to this frequently asked question is stated in the following ordinance 01-2021:

101.9    Animals
The keeping of animals is permitted within the RR-1 District subject to the following regulations. The keeping of animals in relation to an animal feedlot may be subject to additional animal feedlot regulations:

1. The keeping of animals requires a minimum lot size of 1 acre and must comply, to the extent applicable, with the regulations related to animal feedlot contained in Section 203.2, including registration when required.
2. The maximum animal density allowed is as follows:

        Acreage                Animal Units
        1 – less than 3               .2
        3 – less than 5                2

        5-- less than 7                3

        7--less than 9                 4  

  1.  Property owners that have animals in excess of these maximum density limits as of June 10, 1999 shall be allowed to keep those animals, provided that no additional animals are added to the property and when the animals that existed on the property as of June 10, 1999 are permanently removed the property must come into compliance with the maximum densities. 

What is an animal unit?

Animal Unit: A unit of measure used to compare differences in the production of animal manure that employs as a standard the amount of manure produced on a regular basis by a slaughter steer or heifer for an animal feedlot or manure storage area calculated by multiplying the number of animals of each type in clauses (1) to (9) by the respective multiplication factor and summing the resulting values for the total number of animal units.  The following multiplication factors apply:

(1)      one mature dairy cow, whether milked or dry:

          (i) over 1,000 pounds, 1.4 animal units; or

          (ii) under 1,000 pounds, 1.0 animal unit;

(2)      one cow and calf pair, 1.2 units;

(3)      one calf, 0.2 unit;

(4)      one slaughter steer, 1.0 animal unit;

(5)      head of feeder cattle or heifer, 0.7 unit;

(6)      one head of swine:

          (i) over 300 pounds, 0.4 animal unit;

          (ii) between 55 pounds and 300 pounds, 0.3 animal unit; and

          (iii) under 55 pounds, 0.05 animal unit;

(7)      one horse, 1.0 animal unit;

(8)      one sheep or lamb, 0.1 animal unit;

(9)      one chicken:

          (i) one laying hen or broiler, if the facility has a liquid manure system, 0.033 animal unit; or

          (ii) one chicken if the facility has a dry manure system:

                (A) over five pounds, 0.005 animal unit; or

                (B) under five pounds, 0.003 animal unit;

(10)    one turkey:

          (i) over five pounds, 0.018 animal unit; or

          (ii) under five pounds, 0.005 animal unit;

(11)    one duck, 0.01 animal unit; and

(12)      for animals not listed in clauses (1) to (8), the number of animal units is the average weight of the animal in pounds divided by 1,000 pounds.

How big of a shed / pole barn may I build?

The answer to this frequently asked question is stated in the following ordinance 01-2021

202.3           Accessory Structures
Accessory buildings may be permitted when they are constructed as an accessory to a new or existing dwelling. A detached garage is considered an accessory structure for the purposes of this Section.  The number of allowed accessory structures and their height and square footage may not exceed the maximums shown below in Table 202. 


Table 202 Accessory Structure Sizing

Lot Size

Maximum #

SF Ratio

Maximum Total Square Feet

Side Wall Height (feet)

Up to 1.4 acre



1500 sf

16 ft

1.5 -1.9 acres (1)



Lot area X SF ratio

16 ft

2-4.9 acres (1)



Lot area X SF ratio

16 ft

5 + acres



5442 sf

16 ft



(1)    To determine maximum structure size in square feet multiply total lot size in square feet (1 acre = 43,560 sf) by the SF Ratio. Example: 2.5 ac x 43,560 sf = 108,900 sf. Multiply total sf by ratio from Table 202. For example: 108,900sf (0.0255) = 2777 sf maximum structure size allowed.


  Go to Zoning Ordinances for further details.