Town Brook at School St Diversion Tunnel Inlet
(Deep Rock Tunnel)
Monitoring Station 01105584
Gage Height
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Summary of all available data for this site
LOCATION--Lat 42o14'40", long 71o00'16",
Norfolk County, Hydrologic Unit 01090001, on left bank at
spillway into Burgin Brook diversion tunnel, 20 ft
upstream from trash racks at entrance to Town Brook
culvert, 100 ft west of Burgin Parkway, and about 1.5 mi
upstream from Town River Bay in Quincy.
DRAINAGE AREA--About 2.0 mi2 (unknown
degree of inflow).
GAGE--Water-stage recorder and heated
tipping-bucket precipitation gage with telephone
telemeter. Elevation of gage is 14.90 ft above National
Geodetic Vertical Datum (NGVD) of 1929. Elevation of
spillway into Burgin Brook diversion tunnel is 18.0 ft
above NGVD. Elevation data provided by U.S. Army Corps of
Engineers
REMARKS--Flows are diverted into Burgin Brook and
diversion tunnel at a gage height of 18.0 ft (elevation of
top of diversion dam). Periods of missing record are not
estimated.
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Nominal Elevation at Town Brook Staff Gauge: 17 ft NGVD
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Town Brook at Miller Stile Rd
Monitoring Station 01105585
Gage Height & Stream Flow
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Summary of all available data for this site
LOCATION--Lat 42o14'52", long 70o59'52",
Norfolk County, Hydrologic Unit 01090001, on left bank 200
ft downstream from Miller Stile Road in Quincy and 0.8 mi
upstream from Town River Bay.
DRAINAGE AREA--4.11 mi2.
GAGE--Water-stage recorder with telephone
telemeter.
Datum of gage: 5 feet above sea level NGVD29.
REMARKS--Flows affected by frequent cyclical
sump-pump discharges from nearby MBTA station. High flows
affected by diversion to by-pass tunnel at site
approximately one mile upstream.
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Example
Gage Height value: 2.07 ft 11-09-2010 12:00 EST
5.00 + 2.07 = 7.07 ft NGVD29 or 6.4 ft NAVD88
(approx 6 ½ ft above Mean Sea Level)
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