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Moose Pond

Moose Pond, located in Bridgton, Sweden and Denmark, passes by the foot of the Pleasant Mountain range and is a favorite spot for many anglers, boaters and swimmers. The causeway that now separates the north basin from the main basin was once a low wooden bridge on top of pine cribbing, which was built by cutting holes through the ice in the winter of 1834.

Fishing

Moose Pond is divided into three distinct basins. The upper and lower basins both experience low dissolved oxygen concentrations in the deeper waters, which provides little habitat for coldwater fish species. Although oxygen depletion often limits summer habitat, the middle basin is managed primarily for landlocked salmon and lake trout. The pond also supports populations of largemouth bass, smallmouth bass, yellow perch, white perch, chain pickerel, hornpout, rainbow smelt, white sucker, fallfish, golden shiners, pumpkinseed sunfish and slimy sculpin.

  • Lake Surface

    1,617 acres
  • Watershed

    11,170 acres
  • Max. Depth

    70 feet
  • Elevation

    418 feet

Water Quality: 2019

South Basin: The average Secchi disk reading for 2019 was 5.94 meters, fell into the moderately clear range, and was shallower than the long-term average of 6.55 meters. The average total phosphorus reading of 6.00 ppb fell into the moderate range and was less than the long-term average of 6.31 ppb. Deep water phosphorus values did reach into the high range. The chlorophyll-a average of 2.38 ppb fell into the moderate range and was less than the long-term average of 2.86 ppb. Long-term trend analysis indicates chlorophyll–a concentrations are decreasing, total phosphorus concentrations are stable, and clarity readings are decreasing, however we only have 5 years of data. The average color reading for 2019 was 21.25 SPU, indicating that water in Moose Pond’s south basin is moderately colored. Suitable fish habitat was present for a few weeks in June but became unsuitable by July and through September.

Main Basin: The average Secchi disk reading for 2019 was 6.77 meters, fell into the moderate range and was shallower than the long-term average of 7.42 meters. The average total phosphorus reading of 5.63 ppb fell into the moderate range and was slightly less than the long-term average of 5.70 ppb. Deep water phosphorus values fell into the low range. The chlorophyll-a average of 3.5 ppb fell into the moderate range and was higher than the long-term average of 2.85 ppb. Long-term trend analysis indicates chlorophyll–a concentrations in Moose Pond’s main basin are stable, total phosphorus concentrations are decreasing, and clarity readings are stable. The average color reading for 2019 was 22.50 SPU, indicating that water in Moose Pond’s main basin is moderately colored. Suitable fish habitat was present from June through August and transitioned into marginal habitat in September.

North Basin: The average Secchi disk reading for 2019 was 4.54 meters, fell into the moderately clear range, and was shallower than the long-term average of 5.06 meters. The average total phosphorus reading of 8.50 ppb fell into the moderate range and was less than the long-term average of 9.31 ppb. The chlorophyll-a average of 4.00 ppb fell into the moderate range and was slightly less than the long-term average of 4.11 ppb. Long-term trend analysis indicates chlorophyll–a concentrations are stable, total phosphorus concentrations are stable, and clarity readings are stable. The average color reading for 2019 was 32.13 SPU, indicating that water in Moose Pond’s north basin is highly colored. Suitable fish habitat was present for a few weeks in June but became unsuitable by July and remained that way through September.

Water-testing summary

Main Basin 2019 Quick Stats

 

Moose Pond’s main basin surface water chlorophyll, phosphorus, and Secchi depth data summary. Colored boxes represent the long-term range of values, from minimum to maximum, obtained on Moose Pond’s main basin. The line represents the long-term average value and the large dot represents 2019’s average value. The small red dots represent individual readings taken in 2019.

 

2019 Average vs. Long-term Average

Clarity: The average Secchi disk (clarity) reading for 2019 was 6.77 meters, fell into the moderate range and was shallower than the long-term average of 7.42 meters.

Chlorophyll: The  chlorophyll-a average of 3.5 ppb fell into the moderate range and was higher than the long-term average of 2.85 ppb.

Phosphorus: The average total phosphorus reading of 5.63 ppb fell into the moderate range and was slightly less than the long-term average of 5.70 ppb.

 

North Basin 2019 Quick Stats

 

Moose Pond’s north basin surface water chlorophyll, phosphorus, and Secchi depth data summary. Colored boxes represent the long-term range of values, from minimum to maximum, obtained on Moose Pond’s north basin. The line represents the long-term average value and the large dot      represents 2019’s average value. The small red dots represent individual readings taken in 2019.

2019 Average vs. Long-term Average

Clarity: The average Secchi disk reading for 2019 was 4.54 meters, fell into the moderately clear range, and was shallower than the long-term average of 5.06  meters.

Chlorophyll: The  chlorophyll-a average of 4.00 ppb fell into the moderate range and was slightly less than the long-term average of 4.11 ppb.

Phosphorus: The average total phosphorus reading of 8.50 ppb fell into the moderate range and was less than the long-term average of 9.31 ppb.

 

South Basin 2019 Quick Stats

 

Moose Pond’s south basin surface water chlorophyll, phosphorus, and Secchi depth data    summary. Colored boxes represent the long-term range of values, from minimum to maximum, obtained in Moose Pond’s south basin. The line represents the long-term average value and the large dot represents 2019’s average value. The small red dots represent individual readings  taken in 2019.

 

2019 Average vs. Long-term Average

Clarity: The average Secchi disk reading for 2019 was 5.94 meters, fell into the moderately clear range, and was shallower than the long-term average of 6.55 meters.

Chlorophyll: The chlorophyll-a average of 2.38 ppb fell into the moderate range and was less than the long-term average of 2.86 ppb.

Phosphorus: The average total phosphorus reading of 6.00 ppb fell into the moderate range and was less than the long-term average of 6.31 ppb.

Moose Pond Project

In the spring of 2010, LEA worked with the Moose Pond Association and Cumberland County Soil and Water Conservation District to conduct a survey of erosion sites within the pond’s 11,170 acre watershed. As part of the project, volunteers and technical staff identified 178 erosion sites that are having negative impacts on the pond. Most of the sites documented were small but the cumulative impact of all these sites is substantial. The report includes a brief description, location information and recommendations on how to correct each problem. In addition to documenting erosion, the project served as an educational tool for citizens to learn about water quality and how our activities affect ponds and lakes. To view a copy of the recent survey click on: Moose Pond Watershed Survey. From 2012-2014, LEA worked on a much larger implementation project within the watershed to correct the worst problems that were identified during the survey. For more information about this aspect of the project, call LEA at 647-8580

Watershed Soils

12 percent of soils in the watershed are type A soils. Type A soils tend to be well drained sands, loams, and gravels. When vegetation is removed and the soil is exposed they can be susceptible to erosion. Because they are often coarse with ample pore space, there is low runoff potential and water will not usually pool on them. These soils can be good places to site leach fields or infiltrate stormwater from a home or residence.

12 percent of soils in the watershed are type B soils. B soils have moderate infiltration rates and fine to moderate texture and soil size. They are usually made up silts and loams. Although not as well drained as A soils, they can also be good places to site leach fields and infiltrate stormwater.

52 percent of soils in the watershed are type C soils. C soils have low infiltration rates and typically have a layer that impedes the movement of water. These soils are made of sands, clays, and loams and are one of the most common soil types in western Maine.

3 percent of soils in the watershed are type D soils. D soils have a high runoff potential and very low infiltration rates. Soils with a high water table, clay or other impervious layer near the surface are typically D soils. These soils are often associated with wetlands.

8 percent of soils in the watershed are type C/D soils. C/D soils are a mix of these two soil types. They have fairly high runoff potential and low infiltration rates and often pool water.

The remaining 13 percent of the watershed is taken up by the pond.

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