Online Resources for Estimating High Groundwater Levels on Cape Cod

The following files are available to download to be used in conjunction with Cape Cod Commission Technical Bulletin 92-001.
"Estimation of High Ground-water Levels for Construction and Land Use Planning- A Cape Cod, Massachusetts, Example- Update 1991, Revised 2006.".
Monthly Index Well data is available at the Cape Cod Commission Website: http://www.capecodcommission.org/wells.htm,

For more information, the see the complete USGS groundwater observation well network for Barnstable County: http://groundwaterwatch.usgs.gov/countymaps/MA_001.html.

The estimating technique described in this bulletin is specified as an acceptable method of determining the maximum rise of groundwater levels in a given location on Cape Cod according to the State of Massachusetts Sanitary Code (Title 5).

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Technical Bulletin 92-001 (Complete)

Technical Bulletin 92-001 (Text Only)

Tables for Potential Water Level Rise (9 tables)

Worksheet for High Groundwater Levels Computations

State of Massachusetts Sanitary Code

Individual Town Maps (NEW!)
With Annual ranges of Groundwater Levels and Index -well Areas

Barnstable| Bourne| Brewster| Chatham| Eastham| Dennis| Falmouth| Harwich | Mashpee | Orleans | Provincetown| Sandwich| Truro | Wellfleet | Yarmouth

Please note that the key to the maps differs slightly from older maps as follows:

Zone	Annual range
A	0.0-1.99 feet
B	2.0-2.99 feet
C	3.0-3.99 feet
D	4.0-4.99 feet
E	5.0-6.0 Feet