Green Hill Pond, Rhode Island, USA

Lake Locations:

USA - New England - Rhode Island - Washington County -

Green Hill Pond is part of the Salt Ponds Region along Rhode Island’s southern shore. The pond is located between the communities of South Kingstown and Charlestown in Washington County. This coastal lagoon was formed and continuously reformed by the interaction of coastal processes such as erosion, sediment transport, and gradually rising sea levels. Waters rise and spill into depressions creating estuaries, and as sand accumulates it forms a beach barrier. The pond is connected to Ninigret Pond, another salt pond, by a small channel under Creek Bridge. Green Hill Pond also has inflowing tributaries such as Factory Brook and Teal Brook, two freshwater streams that enter the northwestern part of the pond. Teal Brook connects Green Hill Pond to Teal Pond via a small rock-lined channel. With access to many bodies of water and beachfronts, Green Hill Pond is a vacationer’s paradise.

Green Hill Pond is a low-lying shallow body of water with an average depth of 3 feet. Visitors are welcome to boat, kayak, canoe, and fish the beautiful lagoon. The pond has an irregular shoreline dotted with coves that are irresistible when it comes to exploring. Many small islands, rocky outcroppings, and inflowing creeks create an interesting environment. Several fish species inhabit the pond such as whitefish, smelt, winter flounder, and northern pike. You can also find shellfish such as clams, quahogs, blue crabs, eel, and bay scallops in the area. Unfortunately heavy development has decreased the water quality. The Salt Pond Coalition observes the water quality and monitors its continued public use in shellfish harvesting, consumption, recreation, and wildlife habitats. Many steps are being taken to improve the water quality like storm water treatment, nitrogen-reducing home wastewater systems, and dredging.

The surrounding area of Green Hill Pond is a combination of wooded areas and summer colonies. The southern border is a barrier beach with extensive salt marshes that provide an excellent opportunity for birding. The Charlestown Breach-way Beach provides family fun with a guarded beach and close fishing opportunities. Campsites are available for recreational vehicle camping. Windsurfing, swimming, and beach walking are just a few things to do at Charlestown Beach. Just further east of the beach is the Ninigret National Wildlife Refuge. With 400 acres of federally maintained grasslands, brush and shrub, uplands, freshwater ponds, and salt marsh, you are sure to see a variety of wildlife. The refuge used to be a Naval Auxiliary landing field during World War II and is rich in history. An interpretive “trails through time” route passes through the refuge containing remnants of the numerous runways, taxi-ways, and buildings that supported the war effort. Ninigret Park is also nearby and offers groomed nature trails for hiking and biking, as well as basketball, volleyball, tennis, and baseball opportunities.

The Perry Creek Access Way is a great place to spend the day. It is a small tidal creek that connects Green Hill Pond and Ninigret Pond. Small water crafts and kayaks can glide along its shallow waters. On the north side of the creek is a small area with a concession stand, bait shop, ramp, small boat docks, and a good view of Ninigret Pond. Green Hill Pond is an excellent place to plan a vacation. With ample vacation rentals and real estate properties for sale, it will make your trip the stay of a lifetime.

Things to do at Green Hill Pond

  • Vacation Rentals
  • Fishing
  • Boating
  • Swimming
  • Beach
  • Canoeing
  • Kayaking
  • Tennis
  • Camping
  • Hiking
  • Biking
  • Wildlife Viewing
  • Birding
  • National Wildlife Refuge

Fish species found at Green Hill Pond

  • Eel
  • Flounder
  • Northern Pike
  • Pike
  • Smelt
  • Whitefish

Green Hill Pond Photo Gallery

    Green Hill Pond Statistics & Helpful Links

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    Lake Type: Natural Saltwater Lake, Not Dammed

    Surface Area: 390 acres

    Average Depth: 3 feet

    Water Volume: 1,170 acre-feet

    Drainage Area: 5 sq. miles

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    Trophic State | LakeLubbers

    Trophic State measures the level of algae and nutrients in a lake.

    An oligotrophic lake is very clear (blue in color) and does not support much plant or fish life. A hyper-oligotrophic lake is the clearest of all lakes, and is nearly devoid of plants and fish.

    A mesotrophic lake is slightly green and supports a moderate degree of plant and fish life. A lake's most desired trophic state is generally this mid-point - the mesotrophic state.

    A eutrophic lake is somewhat murky and supports a large amount of plant and fish life. A hypereutrophic lake is clouded with algae, plant life, and fish life. A eutrophic or hyper-eutrophic lake can be difficult to navigate by boat - and is often an unpleasant place to swim.

    The use of phosphorus-rich and nitrogen-rich fertilizer on lawns and golf courses surrounding a lake can cause it to become eutrophic or hypereutrophic.


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    Catchment or Drainage Area | LakeLubbers

    This is the surrounding area that drains into a lake, including land, rivers and their tributaries. This is also known as the lake's "catchment basin".

    Small lakes at the highest peaks of mountains have small drainage areas. The world's oceans have the largest drainage areas.


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    Lake-Area Population | LakeLubbers

    This is the estimated number of people who live in a house with a view of a lake, plus those who self-describe the lake as their home, for example: "I live at Smith Mountain Lake."


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    Water Residence Time | LakeLubbers

    This is the estimated time that it takes for an amount of water equal to the entire volume of a lake to flow out of - or evaporate from - the lake.

    Residence Time can be as short as a few days for fast-flowing small lakes, and can exceed 100 years for slow-flowing large lakes.


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    Completion Year | LakeLubbers

    This is the year that a reservoir was first filled to the reservoir's normal elevation - or the year that a natural lake was first dammed. A large reservoir can take more than a year to fill after its dam is first closed.

    The Grand Anicut in southern India is generally considered the world's oldest dam that still operates. Grand Anicut was constructed in the second century BC. It now impounds an irrigation network that includes roughly one million acres.

    You can find many of the the world's newest reservoirs on LakeLubbers. Many of the world's oldest reservoirs appear on the last page of that list.


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    Water Volume | LakeLubbers

    This is the estimated volume of water that a lake contains -- measured at the lake's normal elevation. By this measure, the world's largest freshwater lake is Siberia's Lake Baikal.

    You can find many of the the world's largest lakes (by water volume) on LakeLubbers.

    Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet.

    1 acre-foot is equal to 325,851 US gallons. Siberia's Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater - nearly 1 million gallons for every living person on earth.

    The other - and more widely used - measure of a lake's size is the lake's surface acreage. By that measure, the world's largest freshwater lake is North America's Lake Superior.


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    Maximum Depth | LakeLubbers

    This is the estimated greatest depth of the water in a lake -- measured at the lake's normal elevation. The world's deepest lake is Siberia's Lake Baikal; that lake's maximum depth is estimated at 5,314 feet.

    You can find many of the the world's deepest lakes on LakeLubbers. If you select the last page of that list, you will find the (maximum depth of) the shallowest lakes in our database.


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    Average Depth | LakeLubbers

    This is the estimated average depth of the water in a lake -- measured at the lake's normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake's average depth can be calculated:

    Water volume ÷ Surface Area = Average Depth

    Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth


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    Maximum Elevation | LakeLubbers

    This is a lake's highest water level, measured by the lake's surface distance above sea level, that can occur during flooding. A lake's highest possible maximum elevation is usually the top of the lake's dam or spillway.

    At lakes that include residential development, government regulations usually forbid the construction of homes below a lake's maximum elevation.


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    Minimum Elevation | LakeLubbers

    This is a lake's lowest water level, measured by the lake's surface distance above sea level, that can be reasonably expected to occur. Low lake levels can occur due to deliberate seasonal draw downs for irrigation or impending snow melt, reduced water inflows, drought and evaporation, residential or commercial water demands, and hydropower generation.

    Some lakes' minimum and maximum elevations are virtually the same. Lakes that generate hydropower may vary by several feet - according to power demand. Lakes whose primary purpose is to prevent flooding can seasonally vary by 100 feet or more.

    When some lakes reach their minimum elevation, their boat ramps may not be long enough to permit boat access - and boats docked on shallow parts of the lake may end up on dry ground. In those cases, kayakers and shore-based anglers may be among the few happy recreational users of the lake.


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    Normal Elevation | LakeLubbers

    This is a lake's normal water level, measured by the lake's surface distance above sea level. For a reservoir, this water level is also known as "full pond" or "full pool".

    You can find many of the world's highest-elevated lakes on LakeLubbers. Lakes with the lowest elevations (known by LakeLubbers) are shown on the final page of that list.


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    Shoreline Length | LakeLubbers

    This is the length of the exterior shoreline around a lake - measured at the lake's normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal.

    A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.

    When known, the shoreline miles that we report in our statistics include only the lake's exterior shoreline, and exclude the shorelines of islands located within a lake's boundaries. In lakes with many islands, those islands' combined shorelines may exceed a lake's exterior shoreline.

    You can find many of the world's longest-shoreline lakes on Lakelubbers.


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    Surface Area | LakeLubbers

    This is the area (acreage, square kilometers, etc.) of the top surface area of a lake - measured at a lake's normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America's Lake Superior is the world's largest freshwater lake by this measure.

    The other measure of a lake's size is the lake's water volume. By that measure, the world's largest freshwater lake is Lake Baikal in Siberia.

    You can find many of the world's largest lakes (acres) on Lakelubbers. There is no widely-accepted minimum surface area that defines a lake. What Lakelubbers describes as a lake, you might call a pond. The smallest lake that Lakelubbers currently includes is Hawaii's 2-acre Lake Waiau.


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    Water Level Control | LakeLubbers

    This is the organization that controls water releases or outflows from the lake or reservoir. In the USA, this is often the US Army Corps of Engineers, a power company, a municipal water system, an irrigation district, or a paper manufacturing company. In the case of private or gated lakes, a homeowners' association may be the lake's controlling authority.

    Many lakes cross borders, including North America's Great Lakes. The control of such lakes and their coveted freshwater may be amicably shared - or hotly disputed.

    "Water wars" continue at many lakes as growing populations and crop irrigation needs compete for the freshwater that lakes contain.


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    Lake Type | LakeLubbers

    There are 3 basic types of lakes that are currently included on LakeLubbers. 2 types may be dammed or not dammed, producing 5 classifications.

    - A Reservoir is a man-made freshwater lake that is usually created by damming rivers.

    - A Natural Freshwater Lake occurs naturally - often by glacial activity - and has a salinity of less than 30 parts per thousand. It may be dammed to produce electricity or for other reasons.

    - A Natural Saltwater Lake occurs naturally and has a salinity of more than 30 parts per thousand (ppt). It may be dammed.

    "Brackish" water may be categorized as freshwater or saltwater, depending on its salt content (salinity). Oligohaline water has less than 15 ppt of salt. Mesohaline water has 15-29 ppt. Polyhaline has 30-335 ppt.


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