October 2021 CURRENT WATER RESOURCES CONDITIONS IN MAINE

CURRENT WATER RESOURCES CONDITIONS IN MAINE

U.S. Department of the Interior Seal

October 2021

USGS New England Water Science Center, Maine Office, in cooperation with Maine Emergency Management Agency

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

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Monthly Surface Water Conditions Map

Monthly Groundwater Conditions Map

SURFACE WATER
Station Number	Station Name	Drainage Area (mi²)	Years Of Record	Normal Range (cfs)	Monthly Mean (cfs)	Monthly Mean (in)	Percentile Class
01010000	St. John River at Ninemile Bridge, ME	1341	71	1040 - 2900	548	0.47	Below normal
01014000	St. John River below Fish River at Fort Kent, ME	5929	95	3440 - 9160	2670	0.52	Below normal
01017000	Aroostook River at Washburn, ME	1654	91	684 - 2310	1580	1.10	Normal
01022500	Narraguagus River at Cherryfield, ME	227	73	136 - 418	248	1.26	Normal
01029500	East Branch Penobscot River at Grindstone, ME	837	119	629 - 1860	1150	1.58	Normal
01030500	Mattawamkeag River near Mattawamkeag, ME	1418	87	517 - 2090	2580	2.10	Above normal
01031500	Piscataquis River near Dover-Foxcroft, ME	298	119	112 - 589	194	0.75	Normal
01038000	Sheepscot River at North Whitefield, ME	145	83	29 - 144	192	1.53	Above normal
01047000	Carrabassett River near North Anson, ME	353	119	187 - 786	200	0.65	Normal
01055000	Swift River near Roxbury, ME	96.9	92	53.8 - 246	58.3	0.69	Normal
01055500	Nezinscot River at Turner Center, ME	169	80	61.4 - 275	69.8	0.48	Normal
01057000	Little Androscoggin River near South Paris, ME	73.5	108	24.3 - 124	49	0.77	Normal
01066000	Saco River at Cornish, ME	1293	105	827 - 2240	1430	1.28	Normal
01069500	Mousam River near West Kennebunk, ME	99	82	59 - 130	138	1.61	Above normal

GROUNDWATER
Station Number	Station Name	Years Of Record	Normal Range (ft)	Monthly Median (ft)	Departure From Monthly Median (ft)	Percentile Class
432310070393301	YW 807 (Sanford, ME)	32²	19.90 - 18.50	19.64	0.14	Normal
435453070013601	CW 26 (Brunswick, ME)	42²	31.60 - 28.00	30.79	0.79	Normal
440213070203201	ANW 1135 (Rang Pond, ME)	20²	10.70 - 9.97	11.00	0.60	Below normal
440823070291501	OW 1214 (Oxford, ME)	41²	9.89 - 8.75	10.50	1.07	Low
440918069564001	KW 766 (Litchfield, ME)	43²	49.80 - 46.00	48.85	0.15	Normal
441801069455501	KW 887 (Augusta Arboretum, ME)	17²	13.80 - 10.80	12.17	0.37	Normal
444302070252401	FW 916 (Weld/Mt. Blue, ME)	19²	28.20 - 25.90	28.67	0.87	Below normal
445227067520101	WW 797 Township T24MD BPP (Hadley Lakes, ME)	36²	6.64 - 5.44	5.63	-0.37	Normal
445319068560101	PEW 456 (Kenduskeag, ME)	43²	25.80 - 22.90	23.55	-1.25	Normal
450713067162801	WW 796 (Calais, ME)	22²	3.71 - 1.46	2.43	0.04	Normal
453629068531801	PEW 594 (Millinocket, ME)	27²	11.20 - 9.83	10.80	0.10	Normal
463642069344601	ARW 891 (Clayton Lake, ME)	43²	15.70 - 14.50	16.62	1.42	Low
471457068353001	ARW 890 (Fort Kent, ME)	43²	12.00 - 9.72	11.69	0.59	Normal
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.