| Pond Name | Town | CCC GIS ID | Notes | Area (acres) | Max Depth (ft) | Approximate location |
| Long Pond | Part in Brewster | BR-279 | 742.95 | 70 | ||
| Seymour Pond | Part in Brewster | HA-306 | 183.38 | 38 | Pleasant Lake Ave/Punkhorn Rd | |
| Hinckleys Pond | Harwich | HA-353 | Bogs on east and west ends of pond; recently abandoned | 174.76 | 28 | Pleasant Lake Ave/Headwaters Dr |
| West Reservoir | Harwich | HA-530 | 72.77 | 6 | Depot St/Bells Neck Rd | |
| Walkers Pond | Harwich | HA-358 | 36.17 | 27 | Spruce Rd/Nathan Walker Rd | |
| Bucks Pond | Harwich | HA-420 | 34.37 | Route 39/Queen Anne | ||
| Cahoon Pond | Part in Brewster | BR-299 | 32.9 | 14 | Rt 137/Mid-Cape Hwy | |
| Robbins Pond | Harwich | HA-386 | 32.76 | 12 | Factory Rd | |
| Hawksnest Pond | Harwich | HA-354 | 29.55 | Hawksnest/Nathan Walker Rd | ||
| Grass Pond | Harwich | HA-579 | 28.46 | 3 | Forest St/Bank St. | |
| Sand Pond | Harwich | HA-525 | 23.39 | 25 | Great Western Rd/Deacons Folly Rd | |
| Mill Pond – Chatham | Mostly Chatham | CH-440 | 22.98 | 16 | Queen Anne/Duncan Ln | |
| John Josephs Pond | Harwich | HA-416 | 21.81 | 55 | Queen Anne/John Joseph’s Rd | |
| Aunt Edies Pond | Harwich | HA-376 | 21.78 | 7 | Oak St | |
| Skinequit Pond | Harwich | HA-629 | 18.06 | 32 | Uncle Venies Rd/Skinequit Rd | |
| Smalls Pond | Mostly Brewster | BR-314 | 17.32 | 10 | Cahoon Rd | |
| Flax Pond | Harwich | HA-507 | Bogs on east and west ends of pond | 15.1 | 18 | Main St/Fairview Ave |
| Olivers Pond | Harwich | HA-351 | 14.6 | Hawksnest Rd/Round Cove Rd | ||
| Mill Pond | Part in Brewster | HA-310 | 13.58 | 15 | Rt 137/Long Pond Dr | |
| Cornelius Pond | Harwich | HA-381 | 12.73 | 7 | Queen Anne/Jay Z Dr | |
| Grassy Pond | Part in Brewster | BR-319 | 12.6 | Olde Homestead Way/Mid-Cape Hwy | ||
| White Pond | Part in Dennis | HA-414 | 12.3 | Old Chatham Rd/Lynch Lane | ||
| Paddocks Pond | Harwich | HA-562 | 12.12 | Chatham Rd/Long Rd | ||
| Black Pond — Brewster | Part in Brewster | BR-316 | 11.37 | Crowells Bog Rd | ||
| Mud Pond | Part in Brewster | HA-300 | 11.01 | Mary Willet Ct | ||
| Black Pond | Harwich | HA-364 | 9.35 | Hawksnest/Nathan Walker Rd | ||
| Sand Lake | Harwich | HA-418 | 8.3 | Shady Drive/Rainbow Way | ||
| Andrews Pond | Harwich | HA-442 | 6.87 | Bakers Drive | ||
| Littlefields Pond | Harwich | HA-387 | 5.43 | Littlefield Pond Rd | ||
| Round Pond/Dark Bottom | Mostly Brewster | BR-377 | 4.97 | Depot St/Littlefield Pond Rd | ||
| Island Pond | Harwich | HA-532 | 2.88 | Bike trail/Island Pond Cemetery | ||
| Kiddies Pond | Harwich | HA-424 | 2.66 | Rainbow Way/Queen Anne | ||
| Jack’s Pond | Harwich | HA-404 | Unnamed in 2003 Atlas | 1.76 | Queen Anne/Lakeway Ln | |
| Abrams Pond | Harwich | HA-500 | 0.82 | Crestview Drive/Monument Way | ||
| Okers Pond | Harwich | HA-557 | 0.71 | Marthas Lane | ||
| Washburn Bog Pond | bit in Brewster | HA-393 | 0.59 | Old Chatham Rd/Lynch Lane | ||
| Aunt Rennie’s Pond | Harwich | HA-1131 | 0.33 | Rt 39/Happy Way | ||
| Harwich | HA-1156 | 2.36 | Cape Cod National Golf (Wequassett) | |||
| Harwich | HA-465 | 1.77 | Depot Rd/Rt 39 | |||
| Harwich | HA-446 | 1.58 | Cranberry Valley | |||
| Harwich | HA-403 | 1.42 | Cranberry Valley/Queen Anne Rd | |||
| Harwich | HA-331 | 1.23 | Cahoon Rd | |||
| Harwich | HA-1105 | Next to active bogs | 1.16 | Bog Lane | ||
| Harwich | HA-645 | Filled in as part of Cold Brook restoration | 0.89 | Cold Brook preserve | ||
| Harwich | HA-1135 | Pond or vernal pool? Often dry | 0.86 | Walker Woods Dr | ||
| Harwich | HA-1068 | 0.76 | Main St/ Herring River | |||
| Harwich | HA-301 | 0.69 | Jasper Moore Trail | |||
| Harwich | HA-486 | 0.69 | Rt 39/Hidden Pond Cir | |||
| Harwich | HA-1133 | 0.57 | Bike Trail/Mid-Cape Hwy | |||
| Harwich | HA-489 | 0.53 | Bike Trail near Andrews Pond | |||
| Harwich | HA-461 | 0.45 | Cranberry Valley | |||
| Harwich | HA-508 | Next to active bogs | 0.44 | Bike Path/North Side of Coulson bogs | ||
| Harwich | HA-1134 | 0.38 | Cranberry Hollow Lane | |||
| Harwich | HA-454 | 0.37 | Depot Rd/Rt 39 | |||
| Harwich | HA-531 | 0.35 | Main St/Lothrop Ave | |||
| Harwich | HA-537 | 0.34 | Island Pond Cemetery | |||
| Harwich | HA-1110 | Next to active bogs | 0.34 | Evergreen Way | ||
| Harwich | HA-512 | 0.32 | Town Forest/Chatham line | |||
| Harwich | HA-434 | 0.28 | Obed Brooks Rd | |||
| Harwich | HA-520 | Next to active bogs | 0.27 | Main St. Bogs | ||
| Harwich | HA-1075 | Next to active bogs | 0.27 | Bogs between Kendrick Rd and Bay Rd | ||
| Harwich | HA-374 | 0.24 | Nathan Walker Rd | |||
| Harwich | Four new shallow ponds under construction as part of Cold Brook restoration | |||||
| Harwich | Two or three apparent ponds in wetland between Headwaters and Mid-Cape just south of Regal Care | |||||
Sources and Useful Links
Cape Cod Commission Updated Pond Atlas Pond Viewer
2021 Cape Cod Pond and Lake Atlas [Cape Cod Commission]
Cape Cod Pond and Lake Atlas Final Report May 2003 [Cape Cod Commission]