Water Supply Dams in Rhode Island

Rhode Island has 30 water supply dams, of which 16 carry a high hazard classification. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Gainer Memorial	Providence	189	High	Fair	1926
2	Diamond Hill Reservoir	Providence	80	High	Fair	1971
3	Lawton Valley Reservoir	Newport	48	High	Fair	1943
4	Woonsocket Reservoir # 1	Providence	47	High	Fair	1883
5	Harris Pond	Providence	40	High	Fair	1969
6	Watson, Harold E, Reservoir	Newport	38	High	Fair	1960
7	Barden Reservoir	Providence	35	Significant	Fair	1883
8	Pawtucket Reservoir	Providence	33	High	Fair	1928
9	Woonsocket Reservoir # 3	Providence	28	High	Fair	1895
10	Ponaganset Reservoir	Providence	26	High	Fair	1865
11	Jordan Pond	Providence	22	Significant	Poor
12	Gardiner Pond	Newport	20	High	Poor	1885
13	Happy Hollow Pond	Providence	19	Significant	Fair	1885
14	Nelson Pond	Newport	17	High	Fair	1885
15	Westconnaug Reservoir	Providence	17	High	Fair	1924
16	Moswansicut Pond	Providence	15	Significant	Fair	1919
17	Robin Hollow Pond	Providence	15	Significant	Satisfactory	1937
18	Warren Reservoir Upper	Bristol	14	Significant	Not Rated	1961
19	Sisson Pond	Newport	14	High	Fair	1900
20	Easton Pond North	Newport	14	High	Fair	1891
21	Easton Pond South	Newport	13	High	Fair	1876
22	Kimball Reservoir	Providence	13	Significant	Poor	1924
23	St Marys Pond	Newport	12	High	Poor	1878
24	Jamestown Lower Reservoir	Newport	12	Significant	Poor
25	Horseshoe	Providence	12	Significant	Fair	1920
26	Warren Reservoir Lower	Bristol	10	Low	Fair	1883
27	Jamestown Reservoir	Newport	10	Significant	Fair	1940
28	Nonquit Pond	Newport	8	Significant	Fair	1943
29	Stafford	Newport	5	Significant	Not Rated
30	Pine Swamp Reservoir #1	Providence	4	Significant	Poor

← All dams in Rhode Island · Water Supply Dams nationwide