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2014 Parameter Data: Chloride, River, Brook and Tributary Sites

Road density, highway runoff, road salting practices, as well as the proximity of salt storage facilities can affect chloride concentration in inland lakes and ponds (those away from salt water). Chloride can be a general indicator of the degree of urbanization of a watershed, with typically higher levels of chloride found in more developed areas. Chloride is measured on a part per million basis (ppm). The average person can taste the “saltiness” of water around 250 ppm of chloride, which is well above the level found in any URI Watershed Watch freshwater site. Chloride is regularly analyzed only in May samples to capture winter road salt impacts and in October to assess seasonal variation. For a second year we did see a number of sites with higher chloride values in October than in May, a departure from usual that we can't yet explain.

Watershed LOCATION MAY JUNE JULY AUG. SEPT. OCT. MEAN Code RIVERS - - - - - (mg/l or ppm) - - - - - A Annaquatucket R. Belleville @ RR Xing 26 - - - - 32 29 SK Borden Brook 16 ------NA Buckeye Brook #1 @ Novelty Rd 42 - - - - 57 50 NA Buckeye Brook #2 @ Lockwood Brk 43 - - - - 51 47 NA Buckeye Brook #5 @ Knowles/Parson Brk 56 - - - - 47 52 NA Buckeye Brook #3 @ Warner Brook 63 - - - - 131 97 WD Falls River D - Step Stone Falls 8 - - - - 11 10 WD Falls River C - Austin Farm Rd. 8 - - - - 13 11 WD Falls River A - Twin Bridges 7 - - - - 9 8 A Himes River (@ 124 Hideaway Lane) 16 - - - - 18 17 H HW #1A - Scrabbletown Brk @ Falls 16 ------H HW #1B - Scrabbletown @ Rte 4 Bridge 20 ------H HW #5 - Sandhill Brook (Saw Mill Inlet) 48 - - - - 79 64 H HW #6 - Hunt River @ Forge Rd. 40 - - - - 57 49 TH - Upstream 11 - - - - 16 14 TH Moosup River A - Fairbanks 15 - - - - 27 21 WD - Bradford 0.5m 19 - - - - 27 23 PA near Rhodes 43 - - - - 64 54 WD Queen River @ Sherman Brook 6 - - - - 9 8 WD Queen River @ Wm Reynolds Rd 18 ------WD Shickasheen Brook @ Rte 2 18 ------WD Shickasheen Brook @ Miskiania Road 18 - - - - 19 19 WD Shickasheen Brook @ Barber Pond Outlet 13 - - - - 22 18 WD Shickasheen Brook @ Rte 138 18 - - - - 24 21 WD Shickasheen Brook @ Liberty Lane 22 - - - - 40 31 WD White Horn Brook @ Bike Trail 47 - - - - 46 47 TE White Horn Brook @ Ministerial 39 - - - - 44 42 WD Woonasquatucket R @ Greystone Pond 52 - - - - 88 70 WO @ Donigian 59 - - - - 74 67 WO Woonasquatucket R @ Waterplace Park 36 ------

2014 2014 Parameter Data: Chloride, River, Brook and Tributary Sites

Watershed LOCATION MAY JUNE JULY AUG. SEPT. OCT. MEAN Code TRIBUTARIES - - (mg/l or ppm) - - WD Barber - Mud Brook 20 - - - - 13 17 WD NSCLA - Green Falls #2 (@ Putker) 6 - - - - 8 7 WD NSCLA - Green Falls - Rte 184 11 - - - - 16 14 WD NSCLA - GFR #3 (Clark Falls Rd./Rte 216) 10 - - - - 11 11 WD NSCLA - Pendleton Hill Brk @ Rte 49/216 20 - - - - 25 23 WD Pasquisett Tributary 80 ------A Secret - Oak Hill East 16 - - - - 18 17 A Secret - Trib @ Shore Dr. 36 - - - - 47 42 WO Slack's Tributary B (western cove) 44 - - - - 53 49 WO Slack's Tributary C (SW cove) 42 - - - - 58 50 B Smith & Sayles @ Balcom 58 ------TA Stafford Pond - NE Cove 24 - - - - 26 25 CW Trustom Pond Tributary - East 17 ------WD Watchaug - Perry Healy Brook 24 - - - - 43 34 WO Waterman @ Rte 44 (Nine Foot Brook) 12 - - - - 13 13 WO Waterman @ Saw Mill (Cutler Brook) 39 - - - - 58 49

Watershed LOCATION MAY JUNE JULY AUG. SEPT. OCT. MEAN Code WPWA - TRIBUTARIES - - (mg/l or ppm) - - WD @ Wellstown Rd. 12 - - - - 26 19 WD Tomaquag Brk @ Chase Hill 24 - - - - 23 24 WD Brushy Brook @ Woody Hill 6 - - - - 9 8 WD Brushy Brook @ Saw Mill 8 - - - - 11 10 WD White Brook Inlet 24 - - - - 29 27 WD Chipuxet River @ Rte 138 19 - - - - 31 25 WD P’tuck @ Biscuit City Rd 14 - - - - 23 19 WD P’tuck below Kenyon Ind. 16 - - - - 22 19 WD P'tuck River @ Rte 91 18 - - - - 25 22 WD P’tuck River @ Burdickville Rd 21 - - - - 28 25 WD Queen River @ Rte 102 7 - - - - 10 9 WD Queen River @ Mail Rd 13 - - - - 16 15 WD Glen Rock Brook 13 - - - - 13 13 WD Usquepaugh River @ Rte 2 13 - - - - 16 15

Limit of Detection = 1 ppm

See our factsheet on Chlorides in Fresh Water to learn more about the impact of land use practices on the levels of chlorides and what you can do to protect local resources: http://www.uri.edu/ce/wq/ww/Publications/Chlorides.pdf.

2014