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Sparta Township City Zoning Code

§ 18-5.1

Natural Systems.

[Ord. No. 636 A 501, 502; Ord. No. 649; Ord. No. 665; Ord. No. 691 § XXI; Ord. No. 841 §§ XLIV, XLV]
a. 
Severely Restricted Lands. No buildings shall be permitted in lands which are classified as severely restricted. Severely restricted lands are described as follows:
1. 
Severely restricted lands contain soils subject to flooding in a storm classified as 100-year frequency by the State of New Jersey (N.J.S.A. 58:16A-1 et seq. 1966) or by the United States Army, Corps of Engineers; also included are soils with a seasonal high water table at or near the surface as observed during field investigation or as denoted in the Soil Conservation Service Soils Interpretation for Sussex County, New Jersey, including but not limited to the following soil series:
Soil Series
Depth of Water Table
Alluvial land
Frequent flooding
Atherton loam
Seasonal high water table at surface
Carlisle muck
Frequent flooding
Fredon loam
0-1 foot
Halsy loam
Seasonal high water table at surface
Livingston silty clay loam
Seasonal high water table at surface
Lyon silt loam
Seasonal high water table at surface
Norwich silt loam
Seasonal high water table at surface
Preakness
Seasonal high water table at surface
Raynham silt loam
0 to 1 1/2 feet
Sloan & Wayland silt loam
Frequent flooding
Swamp
Seasonal high water table at surface
Whitman extremely stony sandy loam
Seasonal high water table at surface
2. 
Slopes 25% or greater shall also result in a severely restricted classification.
3. 
If 40% or more of a unit coverage area contains least or moderately restricted land conditions, the unit shall be considered to be located within moderately restricted lands. The slope conditions shall be determined based on topographic information at two-foot contour intervals obtained from aerial survey information or field measurements.
4. 
A developer of a tract of land with least, moderate and/or severe land classification may not transfer permitted density from isolated least and moderate land areas on a single tract to the primary building area on the same tract without the expressed approval of the Planning Board.
b. 
Moderately Restricted Lands. Building coverage within moderately restricted lands shall not exceed 15% of the total moderate and severely restricted land. Moderately restricted lands are described as follows:
1. 
Moderately restricted lands contain soils subject to a seasonal high water table within one to three feet of the surface as observed during field investigation or as denoted in the Soil Conservation Service Soils Interpretation of Sussex County, New Jersey, including but not limited to the following soil series:
Soil Series
Depth of Water Table
Braceville gravelly sandy loam
1 1/2 to 3 feet
Hero loam
1 1/2 to 3 feet
Hibernia
1/2 to 1 1/2 feet (perched)
Middlebury loam
1 1/2 to 2 1/2 feet
Pompton fine sand loam
1 to 2 feet
Wurtsboro gravelly loam
1 1/2 to 2 1/2 feet
2. 
Moderately restricted lands shall also include land with soils considered to have a shallow bedrock of a depth of zero to 3.5 feet below the surface as observed during field investigation or as denoted in the Soil Conservation Service Soils Interpretation of Sussex County, New Jersey. Moderately restricted lands shall include but are not limited to the following soil series:
Soil Series
Depth to Repack
Percent of Outcrop
Nassau rocky silt loam
1 to 1 1/2 feet
Nassau rock outcrop complex
15 to 25%
Oquaga extremely stony loam
2 to 3 1/2 feet
Oquaga rock outcrop association
10 to 20%
Rockaway rock outcrop association
25 to 40%
Rock outcrop Nassau association
30 to 60%
Rock outcrop Rockaway association
70 to 90%
Rock outcrop Oquaga
40 to 60%
Wassaic silt loam
1 1/2 to 3 1/2 feet
Wassaic rock outcrop association
20 35%
3. 
In addition, areas with forest coniferous or mixed forest as delineated on Map No. 5 of the Master Plan and confirmed by site investigation, or slope conditions of 15% to 24%, shall result in moderately restricted classification.
4. 
If 40% or more of a unit coverage area contains least restricted lands, the unit shall be considered to be located within least restricted lands. The slope conditions shall be determined based on topographic information at two-foot contour intervals obtained from aerial survey information or field measurements.
5. 
A developer of a tract of land with least, moderate and/or severe land classification may not transfer permitted density from isolated least and moderate land areas on a single tract to the primary building area on the same tract without the expressed approval of the Planning Board.
c. 
Least Restricted Lands. Least restricted lands do not exhibit most of the restrictions for severely restricted, Subsection a, and moderately restricted lands, Subsection b. They represent sites with the least natural restrictions upon development.
A developer of a tract of land with least, moderate, and/or severe land classification may not transfer permitted density from isolated least and moderate land areas on a single tract to the primary building area on the same tract without the expressed approval of the Planning Board.
d. 
Underground Aquifers, Aquifer Recharge Areas and Surface Water Bodies.
1. 
Sewage effluent disposal systems other than individual inground septic shall be designed and constructed to meet the standards set forth in Subsection 18-5.3 and shall be consistent with the approved wastewater management plan to minimize adverse environmental impacts on surface and subsurface water resources.
2. 
Impervious cover in areas designed as prime aquifers or aquifer recharge areas by the Subsurface Geology Map of Sparta Township shall be kept to a minimum. In addition, a storm water drainage system that promotes the recharge of water into these systems shall be designed.
3. 
Soil erosion and sedimentation control measures and techniques shall be designed and constructed so that during the construction phases and into the post construction phases of the project, sedimentation and siltation of existing water surface bodies will be kept to a minimum.
e. 
Scenic and Historic Resources.
1. 
Development in or near areas designated as possessing unique scenic resources shall be so designed as to preserve these resources.
2. 
All applications for development should, to the greatest extent practicable, minimize development impact on areas having historic or archaeological significance.