The online Source Assessment Reports consist of three parts. Part 1 is a table for each town showing the vulnerability determinations for the source(s) serving public water system(s) based in that particular town. Part 2 is an explanation of how the assessments were prepared and what they mean. Part 3 allows you to view maps of assessment areas.
Part 2: View an Explanation of the Assessments
The following documents provide additional information to help you understand why these assessments were done and the meaning of the susceptibility rankings. Which explanation you should view (non-transient or transient) depends on the type of system with which you are concerned.
The "Explanation for Non-transient Systems" provides information for understanding systems that serve towns, apartment complexes, mobile home parks, schools, day care centers, or other facilities where people are generally exposed to the water day after day. The "Explanation of Transient Systems" applies to systems that serve restaurants, campgrounds, or other facilities where people are generally exposed to the water for brief, often one-time, encounters.
If you are unsure which explanation (transient or non-transient) applies to the system with which you are concerned, please view the town report for that system in Part 1 and find the field marked "System Type." Type "C" and "P" systems are non-transient and type "N" systems are transient.
Part 3: View an Assessment Map
The maps that accompanied the assessment reports can be recreated online and viewed using DES’s OneStop Web Geographic Information System and following these directions . In the interest of Homeland Security, some of the information needed to recreate the maps is only available to Registered Users.
Summary of Results
To see how the assessment results for any particular water system compare with New Hampshire averages, please see the following summaries of results:
- All sources of public drinking water.
- Community sources of public drinking water (municipal entities, condominium and apartment complexes, mobile home parts, etc.).
- Non-transient, non-community sources of public drinking water (schools, day care centers, hospitals, etc.).
- Transient sources of public drinking water (restaurants, campgrounds, etc.).
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