October 2021 CURRENT WATER RESOURCES CONDITIONS IN MASSACHUSETTS

CURRENT WATER RESOURCES CONDITIONS IN MASSACHUSETTS

October 2021

USGS New England Water Science Center, Massachusetts-Rhode Island Office

PROVISIONAL DATA: All data presented in this report are provisional and subject to revision.

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SURFACE WATER
Station Number	Station Name	Drainage Area (mi²)	Years Of Record	Normal Range (cfs)	Monthly Mean (cfs)	Monthly Mean (in)	Percentile Class
01096000	Squannacook River near West Groton, MA	65.9	72	19.8 - 78.3	131	2.29	Above normal
01097300	Nashoba Brook near Acton, MA	12.8	58	2.42 - 13.2	27.7	2.49	Much above normal
01101000	Parker River at Byfield, MA	21.3	76	2.54 - 20.2	30.2	1.63	Much above normal
01103500	Charles River at Dover, MA	183	84	59.6 - 178	369	2.32	Above normal
01105600	Old Swamp River near South Weymouth, MA	4.5	55	2.64 - 6.35	13.8	3.54	Much above normal
01105730	Indian Head River at Hanover, MA	30.3	55	14.1 - 46.6	92.5	3.52	Much above normal
01105880	Herring River at North Harwich, MA	9.4	55	2.77 - 7.39	4.37	0.54	Normal
01108000	Taunton River near Bridgewater, MA	261	92	92.4 - 322	736	3.25	Much above normal
01109000	Wading River near Norton, MA	43.3	96	10.3 - 42.2	76	2.02	Above normal
01162500	Priest Brook near Winchendon, MA	19.4	105	5.3 - 26.4	44	2.61	Above normal
01169000	North River at Shattuckville, MA	89	81	36 - 172	280	3.63	Above normal
01169900	South River near Conway, MA	24.1	55	13.7 - 52	68.9	3.30	Above normal
01170100	Green River near Conway, MA	41.4	54	20 - 89.3	137	3.82	Much above normal
01171500	Mill River at Northampton, MA	52.6	82	22.5 - 74.8	123	2.70	Above normal
01176000	Quaboag River at West Brimfield, MA	150	109	54.4 - 172	230	1.77	Above normal
01181000	West Branch Westfield River at Huntington, MA	94	86	32.5 - 154	384	4.71	Much above normal
01197500	Housatonic River near Great Barrington, MA	282	108	168 - 431	1050	4.29	Much above normal
01198000	Green River near Great Barrington, MA	51	70	11.6 - 68.9	173	3.91	Much above normal
01333000	Green River at Williamstown, MA	42.6	72	17.8 - 77.5	133	3.60	Much above normal

GROUNDWATER
Station Number	Station Name	Years Of Record	Normal Range (ft)	Monthly Median (ft)	Departure From Monthly Median (ft)	Percentile Class
411555070021901	NBW 228 (Nantucket, MA)	41¹	25.90 - 25.90	13.19	-12.71	High
415228070554601	LKW 14 (Lakeville, MA)	56¹	19.70 - 16.50	7.27	-11.03	High
¹ Daily Value Records and Field Readings ² Daily Value Records Only

Flow or Water Level	Percentile Range	Explanation
Low	0^th	The monthly mean streamflow or median water level during this month is the lowest ever recorded during the period of record for this site.
Much below normal	0^th to 10^th	The monthly mean streamflow or median water level during this month is less than the 10^th percentile when compared to all of the months during the period of record for this site.
Below normal	10^th to 25^th	The monthly mean streamflow or median water level during this month is between the 10^th and 25^th percentiles when compared to all of the months during the period of record for this site.
Normal	25^th to 75^th	The monthly mean streamflow or median water level during this month is between the 25^th and 75^th percentiles when compared to all of the months during the period of record for this site.
Above normal	75^th to 90^th	The monthly mean streamflow or median water level during this month is between the 75^th and 90^th percentiles when compared to all of the months during the period of record for this site.
Much above normal	90^th to 100^th	The monthly mean streamflow or median water level during this month is greater than the 90^th percentile when compared to all of the months during the period of record for this site.
High	100^th	The monthly mean streamflow or median water level during this month is the highest ever recorded during the period of record for this site.