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Description: New Hampshire's rivers and streams comprise one of its most important natural resources, historically vital to New Hampshire's commerce, industry, tourism, and the quality of life of New Hampshire people. It is the policy of the state to ensure the continued viability of New Hampshire rivers as valued economic and social assets for the benefit of present and future generations. The state shall encourage and assist in the development of river corridor management plans and regulate the quantity and quality of instream flow along certain protected rivers or segments of rivers to conserve and protect outstanding characteristics including recreational, fisheries, wildlife, environmental, cultural, historical, archaeological, scientific, ecological, aesthetic, community significance, agricultural, and public water supply so that these valued characteristics shall endure as part of the river uses to be enjoyed by New Hampshire people (RSA 483:1).
Description: This dataset is a point database representing wells, surface water intakes that are part of a public water supply system permitted through the Water Supply Engineering Bureau of NHDES. Public water system is defined under the Federal Safe Drinking Water Act. Initial development of the Public Water Supplies coverage was performed by a private contractor (NUS Corporation) for the U.S. EPA, Region 1 during the summer field season of 1991. Following receipt of the data, the NHDES Water Supply and Pollution Control Division's Water Supply Engineering and Groundwater Protection Bureaus performed substantial quality control/quality assurance. In addition, the Water Supply Engineering Bureau and the Water Resources Division's Water Management Bureau located numerous sources that had been missed during the initial data collection or had subsequently been constructed or discovered. Most of the dataset was acquired by GPS and differentially corrected, however a small amount was acquired with various paper reference maps.
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Description: Pursuant to the Groundwater Protection Act section 485-C:5, all groundwater shall be classified for the purpose of prescribing protections and management practices. This layer aptially represents the area(s) listed within RSA, including areas with greater state and local protections. Classifications do not necessarily reflect existing water quality.Reclassification to GA1 requires the entity to develop a Potential Contaminat Source (PCS) management program that regularly provides notice and information concerning best management practices and conducts inspections of PCS facilities.
Description: Water Supply Intake Protection Areas (WSIPA) are critical lands adjacent to public water supply intakes on surface waters.This polygon shapefile contains WSIPAs for community drinking water supplies.
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Description: This polygon shapefile contains Wellhead Protection Areas (WHPAs) for community and non-community, non-transient drinking water supplies in addition to watershed delineations for surface water intakes and groundwater sources under the direct influence of surface water. The data contains wellhead protection area (WHPA) polygons that represent Phase I or Phase II WHPAs based upon existing hydrologic data or advanced studies. NHDES uses a 500-foot radius circle for protection activities associated with sources for transient systems.
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Name: Lakes with a Quarter Mile Buffer (Class A Surface Waters RSA485A9)
Display Field: WB_NAME
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: The process of classifying New Hampshire surface waters began in 1948 when the Water Pollution Commission (which is now the Water Division of the New Hampshire Department of Environmental Services) held hearings and petitioned the State Legislature to classify the Ammonoosuc River. Classification of surface waters is now accomplished by state legislation under the authority of RSA 485-A:9 and RSA 485-A:10. Prior to 1991, there were three classifications, A, B and C which had the following general meanings:Class A - These are generally of the highest quality and are considered potentially usable for water supply after adequate treatment. Discharge of sewage or wastes is prohibited to waters of this classification.Class B - Of the second highest quality, these waters are considered acceptable for fishing, swimming and other recreational purposes, and, after adequate treatment, for use as water supplies. Class C - These waters were the third highest category and were considered adequate for fishing, boating, and certain industrial uses. As discussed below, the state upgraded all Class C waters to Class B in 1991.During the 1991 session of the General Court, a significant legislative event occurred when HB 560-FN was passed which reclassified and upgraded all remaining Class C waters to Class B. When this bill was signed into law and became effective on August 31, 1991, a new State goal was established to have all the surface waters of the State achieve the fishable/swimmable goals of the Clean Water Act. Therefore, as of 1991, all State surface waters are either Class A or Class B with the majority of waters being Class B. Since passage of HB 560 in 1991, few waterbodies have been reclassified.Legislative classification text resides in annual chapter law of the last 50 plus years. The purpose of this document is to provide a single source reference showing the legislative classifications of surface waters (i.e., A or B) and the statutory basis for the classifications In addition to this document, a Geographical Information System (GIS) coverage has been produced with geo-spatial features linked to the chapter law text.
Service Item Id: a1445191948747c2bfbaf6a3bb2c7a74
Copyright Text: STATE OF NEW HAMPSHIRE, DEPARTMENT OF ENVIRONMENTAL SERVICES
Name: All Features (Class A Surface Waters RSA485A9)
Display Field: STATUTE_RE
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: The process of classifying New Hampshire surface waters began in 1948 when the Water Pollution Commission (which is now the Water Division of the New Hampshire Department of Environmental Services) held hearings and petitioned the State Legislature to classify the Ammonoosuc River. Classification of surface waters is now accomplished by state legislation under the authority of RSA 485-A:9 and RSA 485-A:10. Prior to 1991, there were three classifications, A, B and C which had the following general meanings:Class A - These are generally of the highest quality and are considered potentially usable for water supply after adequate treatment. Discharge of sewage or wastes is prohibited to waters of this classification.Class B - Of the second highest quality, these waters are considered acceptable for fishing, swimming and other recreational purposes, and, after adequate treatment, for use as water supplies. Class C - These waters were the third highest category and were considered adequate for fishing, boating, and certain industrial uses. As discussed below, the state upgraded all Class C waters to Class B in 1991.During the 1991 session of the General Court, a significant legislative event occurred when HB 560-FN was passed which reclassified and upgraded all remaining Class C waters to Class B. When this bill was signed into law and became effective on August 31, 1991, a new State goal was established to have all the surface waters of the State achieve the fishable/swimmable goals of the Clean Water Act. Therefore, as of 1991, all State surface waters are either Class A or Class B with the majority of waters being Class B. Since passage of HB 560 in 1991, few waterbodies have been reclassified. Legislative classification text resides in annual chapter law of the last 50 plus years. The purpose of this document is to provide a single source reference showing the legislative classifications of surface waters (i.e., A or B) and the statutory basis for the classifications In addition to this document, a Geographical Information System (GIS) coverage has been produced with geo-spatial features linked to the chapter law text.
Service Item Id: a1445191948747c2bfbaf6a3bb2c7a74
Copyright Text: STATE OF NEW HAMPSHIRE, DEPARTMENT OF ENVIRONMENTAL SERVICES
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