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Surface Water GIS is an advanced web mapping system created by Mecklenburg County GIS. It is based on Mecklenburg County's GeoPortal template. This site is powered by free and open source software. The source code for the GeoPortal template is released under the MIT free software license and can be downloaded here.
The Designated Use-Support Rating represents water quality as a snapshot in time and space. The Designated Use-Support Rating is calculated monthly from samples that are collected at fixed network monitoring sites. The Rating is reflective only of conditions present at the time of sample collection. The Rating carries no expressed or implied guarantee of water quality conditions at a given location. The Rating is applicable only at the watershed scale, and is developed primarily for long-term trending of water quality conditions.
The term "supporting" refers to the stream being able to support its designated use according to the NC Division of Water Quality. The term "impaired" means that the stream does not support its designated use according to its classification. All surface waters in North Carolina are assigned a primary classification by the NC Division of Water Quality. All waters must at least meet the standards for Class C waters. Click here for additional information regarding NC stream classifications and designated use.
This system is subject to current public information rules and regulations. Information presented on this web site is considered public information and may be distributed or copied. Mecklenburg County and its data providers give no warranty, expressed or implied, as to the accuracy, precision, timeliness, completeness, or any other aspect of the data presented. The publisher and data providers assume no liability for damage arrising from the use of this web site or the data provided herein.
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