Subdivision reviews are governed by Water Quality Rules and Regulations, Chapter 23 and Wyoming Statutes 18-5-301 to 315.
DEQ reviews all subdivisions that meet the following criteria:
A flowchart of the subdivision review process explains the steps involved in a DEQ review.
Required analyses for nitrate loading, minimum isolation distances and impacts on public drinking water supply wells are described in Chapter 23, Appendices A, B, and C.
Subdivisions reviewed by counties are exempted from DEQ review. The table below lists how many subdivision parcels each county will review and what additional criteria may apply. Please verify these criteria with the county before proceeding.
|County||County Contact||DEQ District||County Reviews If Subdivision Has…||Additional Criteria That May Affect County Review (please confirm with County)|
|Albany||Planning Department||SE District||1 to 3 lots||Re-subdividing or subdivisions contiguous to land previously subdivided requires DEQ review.|
|Big Horn||Land Planning||NW District||1 to 2 lots||County reserves the right to refer the review of 1 and 2 lot subdivisions to DEQ in special circumstances.|
|Carbon||Planning & Development||SE District||1 to 5 lots|
|Converse||Special Projects||SE District||1 to 5 lots||County reserves the right to refer a review to DEQ.|
|Crook||Growth & Development||NE District||1 to 5 lots|
|Fremont||Planning Department||NW District||1 to 5 lots|
|Goshen||Planning & GIS||SE District||1 to 4 lots||re-subdivision allowed, original lot included in lot count|
|Hot Springs||Planning Department||NW District||1 to 5 lots|
|Johnson||Planning & Zoning||NE District|
|Laramie||Planning & Development||SE District||1 to 2 lots||Contact county for specific criteria.|
|Lincoln||Planning & Engineering||SW District||1 to 5 lots|
|Natrona||Planning & Zoning||NE District||1 to 5 lots|
|Niobrara||Planning & Zoning||SE District||1 to 5 lots|
|Park||Planning & Zoning||NW District||1 to 5 lots||County reserves the right to refer a review to DEQ if there are features that may be detrimental to health, safety, or welfare of its residents.|
|Platte||Planning & Zoning||SE District||1 to 4 lots||5 acres or more, public access|
|Sheridan||Public Works||NE District||1 to 5 lots||Please refer to Rules and Regulations Governing Division of Land in Sheridan County, Wyoming, November 6, 2012 for specific criteria.|
|Sublette||Planning & Zoning||SW District||1 to 2 lots|
|Sweetwater||Planning & Zoning||SW District||0||All subdivisions require DEQ review.|
|Teton||Planning & Development||NW District||1 to 5 lots|
|Uinta||Planning & Development||SW District||1 to 5 lots|
|Washakie||Planning Department||NW District||1 to 5 lots|
|Weston||Growth & Development||NE District|