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Inver Grove Heights
City Zoning Code

CHAPTER 8

ESTATE DISTRICTS

10-8A-1: PURPOSE AND INTENT:

The E-1 estate district is established for large lot rural residential development with private water and sewer services. Scattered small scale truck type farming operations occur throughout the city's nonurbanized areas, and these and other agricultural activities occur as an interim or permanent land use on individual properties. The E-1 estate district is intended to allow the continuation of these agricultural activities. (Ord. 1098, 11-8-2004)

10-8A-2: BULK STANDARDS:

The following standards apply in the E-1 estate district and are the minimum requirements unless otherwise noted: (Ord. 1098, 11-8-2004)
   A.    Minimum Standards:
 
Lot area
21/2 acres
Lot width
200 feet
Front yard setback
30 feet
Side yard setback
10 feet
Rear yard setback
50 feet
Height (maximum)
35 feet
 
(Ord. 1209, 4-26-2010)
   B.   Accessory Structure Standards:
Maximum Size:
A total of:
   Lot size >/= 10 acres
3,750 gross square feet in no more than two buildings
   Lot size 7.5 acres - 9.99 acres
3,500 gross square feet in no more than two buildings
   Lot size 5 acres - 7.49 acres
3,000 gross square feet in no more than two buildings
   Lot size 3.4 acres - 4.99 acres
Lot size (in acres) multiplied (x) by 480 = maximum gross square feet limited to one building
   Lot size 2.5 - 3.3 acres
1,600 gross square feet limited to one building
   Lot size < 2.5 acres
1,000 gross square feet limited to one building
Maximum number:
 
   Lot size >/= 5 acres
2
   Lot size < 5 acres
1
Front yard setback
30 feet
Side yard setback:
 
   Building </= 1,000 square feet
10 feet
   Building > 1,000 square feet
50 feet
Rear yard setback
50 feet
Height (maximum)
25 feet
Note:
   1.   Accessory structures used exclusively for agricultural purposes are exempt from these standards.
   2.   See Chapter 15, Section 18 of this title for applicable accessory structure performance standards.
 
   C.    Thoroughfare Setback Standards:
 
Type Of Thoroughfare
Right Of Way Width
Minimum Setback
Interstate or state highway
150 feet or greater
50 feet
Major arterial
150 feet or greater
The greater of 50 feet or 125 feet from road centerline
Minor arterial
100 to 120 feet
The greater of 50 feet or 100 feet from road centerline
Community collector street
80 feet or greater
The greater of 40 feet or 70 feet from road centerline
Neighborhood collector street
60 to 80 feet
30 feet
 
   D.    Impervious Surface Standards:
            MAXIMUM IMPERVIOUS SURFACE ALLOWED
Lot Size (In Sq. Ft. Unless Otherwise Indicated)
Maximum Allowed (Without SWFMA) (Percentage Of Lot Area Unless Otherwise Indicated)
Additional Allowed With SWFMA
Lot Size (In Sq. Ft. Unless Otherwise Indicated)
Maximum Allowed (Without SWFMA) (Percentage Of Lot Area Unless Otherwise Indicated)
Additional Allowed With SWFMA
0 – 9,000
40%
10% of lot area
>9,000 – 12,500
35% but not less than 3,600 sq. ft.
10% of lot area
>12,500 – 17,000
30% but not less than 4,375 sq. ft.
10% of lot area
>17,000 – 25,000
25% but not less than 5,100 sq. ft.
10% of lot area
>25,000 – 1 acre
20% but not less than 6,250 sq. ft.
10% of lot area
>1 acre – 2.5 acres
15% but not less than 8,700 sq. ft.
10% of lot area
>2.5 acres – 5 acres
10% but not less than 16,335 sq. ft.
10% of lot area
>5 acres
43,560 sq. ft.
22,000 sq. ft.
 
      1.    Additional impervious surface may be allowed by a stormwater facilities maintenance agreement (SWFMA) as listed above, provided the following criteria are met:
         a.    A stormwater management system shall be constructed within the property (not within any public easements or right of way) that meets the best management practices design criteria as set forth in the northwest area ordinances and stormwater manual.
         b.    The stormwater management system, grading plan (including necessary details for construction, showing proper location, material, size, grades and vegetation), and erosion control plan shall be approved by the engineering division prior to ground disturbance or installation of the facility.
         c.   The stormwater management system is considered a private system and the responsibility of maintenance is that of the owner.
         d.   The stormwater management design of the facility shall provide storage and treatment for the regulatory 100-year event volume as it relates to the additional impervious surface being considered.
         e.   A stormwater facilities maintenance agreement that includes an operation and maintenance plan with annual reporting to the city shall be entered into between the applicant and city to address responsibilities and maintenance of the stormwater system.
         f.   An escrow or fee, to be determined by the city engineer, shall be submitted to the city with the stormwater management system submittal. The final amount and submittal process shall be determined by the city by the time the owners are ready to submit the stormwater management system and grading plan. Surety shall be provided to draft the SWFMA by the City Attorney and to ensure construction of the system according to the plans approved by the city engineer.
         g.   The soils shall be tested to determine the infiltration capacity at and below the stormwater facility to ensure the stormwater management facility performs and functions within the assumed design parameters. A three foot (3') separation shall be maintained from seasonal high water levels and the bottom of any facility. (Ord. 1098, 11-8-2004; amd. Ord. 1209, 4-26-2010; amd. Ord. 1386, 8-10-2020; Ord. 1411, 6-14-2021; Ord. 1473, 3-18-2024)

10-8A-3: ALLOWABLE USES:

See table in section 10-6-1 of this title for a listing of allowable uses within the E-1 estate district. (Ord. 1098, 11-8-2004)

10-8B-1: PURPOSE:

The E-2 estate district is established for large lot residential development with private water and sewer services. (Ord. 1098, 11-8-2004)

10-8B-2: BULK STANDARDS:

The following standards apply in the E-2 estate district and are the minimum requirements unless otherwise noted: (Ord. 1144, 1-8-2007)
   A.    Minimum Standards:
 
Lot area
13/4 acres
Lot width
170 feet (interior lot)
200 feet (corner lot)
Front yard setback
30 feet
Side yard setback
10 feet
Rear yard setback
50 feet
Height (maximum)
35 feet
 
(Ord. 1209, 4-26-2010)
   B.    Accessory Structure Standards:
 
Maximum size
1,000 square feet
Maximum number
1
Front yard setback
30 feet
Side yard setback
10 feet
Rear yard setback
50 feet
Height (maximum)
25 feet
 
   C.    Thoroughfare Setback Standards:
 
Type Of Thoroughfare
Right Of Way Width
Minimum Setback
Interstate or state highway
150 feet or greater
50 feet
Major arterial
150 feet or greater
The greater of 50 feet or 125 feet from road centerline
Minor arterial
100 to 120 feet
The greater of 50 feet or 100 feet from road centerline
Community collector street
80 feet or greater
The greater of 40 feet or 70 feet from road centerline
Neighborhood collector street
60 to 80 feet
30 feet
 
(Ord. 1098, 11-8-2004)
   D.    Impervious Surface Standards:
            MAXIMUM IMPERVIOUS SURFACE ALLOWED
Lot Size (In Sq. Ft. Unless Otherwise Indicated)
Maximum Allowed (Without SWFMA) (Percentage Of Lot Area Unless Otherwise Indicated)
Additional Allowed With SWFMA
Lot Size (In Sq. Ft. Unless Otherwise Indicated)
Maximum Allowed (Without SWFMA) (Percentage Of Lot Area Unless Otherwise Indicated)
Additional Allowed With SWFMA
0 – 9,000
40%
10% of lot area
>9,000 – 12,500
35% but not less than 3,600 sq. ft.
10% of lot area
>12,500 – 17,000
30% but not less than 4,375 sq. ft.
10% of lot area
>17,000 – 25,000
25% but not less than 5,100 sq. ft.
10% of lot area
>25,000 – 1 acre
20% but not less than 6,250 sq. ft.
10% of lot area
>1 acre – 2.5 acres
15% but not less than 8,700 sq. ft.
10% of lot area
>2.5 acres – 5 acres
10% but not less than 16,335 sq. ft.
10% of lot area
>5 acres
43,560 sq. ft.
22,000 sq. ft.
 
      1.    Additional impervious surface may be allowed by a stormwater facilities maintenance agreement (SWFMA) as listed above, provided the following criteria are met:
         a.   A stormwater management system shall be constructed within the property (not within any public easements or right of way) that meets the best management practices design criteria as set forth in the northwest area ordinances and stormwater manual.
         b.   The stormwater management system, grading plan (including necessary details for construction, showing proper location, material, size, grades and vegetation), and erosion control plan shall be approved by the engineering division prior to ground disturbance or installation of the facility.
         c.   The stormwater management system is considered a private system and the responsibility of maintenance is that of the owner.
         d.   The stormwater management design of the facility shall provide storage and treatment for the regulatory 100-year event volume as it relates to the additional impervious surface being considered.
         e.   A stormwater facilities maintenance agreement that includes an operation and maintenance plan with annual reporting to the city shall be entered into between the applicant and city to address responsibilities and maintenance of the stormwater system.
         f.   An escrow or fee, to be determined by the city engineer, shall be submitted to the city with the stormwater management system submittal. The final amount and submittal process shall be determined by the city by the time the owners are ready to submit the stormwater management system and grading plan. Surety shall be provided to draft the SWFMA by the City Attorney and to ensure construction of the system according to the plans approved by the city engineer.
         g.   The soils shall be tested to determine the infiltration capacity at and below the stormwater facility to ensure the stormwater management facility performs and functions within the assumed design parameters. A three foot (3') separation shall be maintained from seasonal high water levels and the bottom of any facility. (Ord. 1209, 4-26-2010; amd. Ord. 1386, 8-10-2020)

10-8B-3: ALLOWABLE USES:

See table in section 10-6-1 of this title for a listing of allowable uses within the E-2 estate district. (Ord. 1098, 11-8-2004)