Oldest Dams in Rhode Island

Rhode Island has 173 dams with recorded construction dates. The oldest dates to 1800 — 226 years ago. Rhode Island's earliest dams were built in the 19th century, an era of westward expansion, irrigation development, and early water infrastructure. Older dams require particular attention for safety, as many were built before modern engineering standards.

#	Dam	County	Year Built	Age	Height (ft)	Hazard	Condition
1	Mill Pond	Kent	1800	226 yrs	21	Significant	Poor
2	Simmons Pond	Newport	1800	226 yrs	9	Significant	Poor
3	Pawtucket Upper	Providence	1800	226 yrs	15	Low	Poor
4	Belleville Pond	Washington	1800	226 yrs	8	Significant	Fair
5	Carr Pond	Washington	1800	226 yrs	10	High	Satisfactory
6	Sprague Lower Reservoir	Providence	1822	204 yrs	19	High	Poor
7	Cranston Print Works Pond	Providence	1825	201 yrs	17	High	Fair
8	Waterman Lake	Providence	1837	189 yrs	19	High	Poor
9	Carolina Pond	Washington	1840	186 yrs	11	Low	Poor
10	Peace Dale Pond	Washington	1847	179 yrs	16	High	Fair
11	Oakland Pond	Providence	1850	176 yrs	12	Low	Poor
12	Albion	Providence	1850	176 yrs	21	Low	Satisfactory
13	Bowdish Reservoir	Providence	1850	176 yrs	14	High	Fair
14	Central Falls	Providence	1850	176 yrs	18	Low	Poor
15	Wilbur Pond	Providence	1854	172 yrs	12	High	Poor
16	Harrisville Pond	Providence	1854	172 yrs	22	High	Poor
17	Slocum Reservoir	Washington	1855	171 yrs	8	High	Fair
18	Yorker Mill Pond	Washington	1855	171 yrs	12	High	Fair
19	Valley Falls	Providence	1859	167 yrs	31	Low	Satisfactory
20	Manville	Providence	1860	166 yrs	22	Low	Poor
21	Pascoag Reservoir Upper	Providence	1860	166 yrs	27	High	Poor
22	Wood River Junction	Washington	1860	166 yrs	10	Significant	Poor
23	Glen Rock Reservoir	Washington	1860	166 yrs	8	Significant	Fair
24	Royal Mills Dam	Kent	1861	165 yrs	21	High	Not Rated
25	Gorton Pond	Kent	1865	161 yrs	9	Low	Poor
26	Greystone	Providence	1865	161 yrs	10	Low	Poor
27	Allendale Pond	Providence	1865	161 yrs	19	Low	Poor
28	Almy Reservoir	Providence	1865	161 yrs	33	High	Poor
29	Oak Swamp Reservoir	Providence	1865	161 yrs	20	High	Poor
30	Hawkins Pond	Providence	1865	161 yrs	24	High	Poor
31	Ponaganset Reservoir	Providence	1865	161 yrs	26	High	Fair
32	Simmons Lower Reservoir	Providence	1865	161 yrs	12	High	Not Rated
33	Simmons Upper Reservoir	Providence	1865	161 yrs	16	High	Poor
34	Hopkins Mill Pond	Providence	1865	161 yrs	9	Low	Poor
35	Wenscott Reservoir	Providence	1865	161 yrs	12	High	Fair
36	Smith + Sayles Reservoir	Providence	1865	161 yrs	16	Significant	Fair
37	Wilson Reservoir	Providence	1866	160 yrs	21	High	Not Rated
38	Wallum Lake	Providence	1866	160 yrs	10	Significant	Fair
39	Clarkville Pond	Providence	1872	154 yrs	14	High	Poor
40	Flat River Reservoir	Kent	1873	153 yrs	24	High	Poor
41	Quidnick Reservoir	Kent	1875	151 yrs	14	Significant	Fair
42	Coventry Reservoir	Kent	1875	151 yrs	15	High	Poor
43	Tiogue Lake	Kent	1875	151 yrs	15	High	Poor
44	Washington Pond Upper	Kent	1875	151 yrs	16	Low	Poor
45	Easton Pond South	Newport	1876	150 yrs	13	High	Fair
46	St Marys Pond	Newport	1878	148 yrs	12	High	Poor
47	Harris Pond	Kent	1882	144 yrs	24	Low	Poor
48	Wanskuck Pond	Providence	1882	144 yrs	14	Low	Poor
49	Georgiaville Pond	Providence	1882	144 yrs	35	High	Fair
50	Barberville Pond	Washington	1882	144 yrs	11	Significant	Poor

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