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| 15.0 |
MAJOR FLOODING. EVACUATION OF HOMES ARE UNDER WAY IN THE TOWN OF COLCHESTER. |
| 13.0 |
FLOODING FROM RAPID SNOW MELT IN JANUARY 1996 REACHED THIS LEVEL. |
| 11.0 |
SOME ROAD SECTIONS BETWEEN DOWNSVILLE AND HARVARD ARE FLOODED AND IMPASSIBLE |
| 10.0 |
MINOR FLOODING BEGINS. LOW LYING ROADS SECTIONS ALONG THE RIVER BETWEEN DOWNSVILLE AND HARVARD BEGIN TO FLOOD. |
| 7.0 |
ISLAND ROAD IN THE TOWN OF COLCHESTER IS NORMALLY CLOSED WHEN THE HARVARD RIVER GAGE REACHES 7 FEET. |
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Latitude: 42.024720° N,
Longitude: 75.120280° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
10 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation
(gauge height = 0) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
N/A |
N/A |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
N/A |
N/A |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
| Other |
1007.41 ft |
1017.41 ft |
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Hydrologic Resources
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Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here. |
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NWS Information |
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weather.gov 
