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Halifax Town Hall, 499 Plymouth Street, Halifax, MA 02338 • Phone/Hours
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Find more about Weather in Halifax, MA
Monponsett Pond and Mosquitoes
Current Monponsett Pond Information

The Massachusetts Department of Environmental Protection has begun its testing of West and East Monponsett Pond for 2017.

Data for 2015 and 2016 can be reviewed.

Because of the test results from May 1, West Monponsett Pond and East Monponsett Pond are open for swimming and other recreational uses in which contact with the water is probable. Test results below 70,000 cells per milliliter for two consecutive weeks are required for the Ponds to be open.

The following table shows algae counts for the spring, summer and fall of 2017. A count of under 70,000 cells/ml (milliliter) is good. If there is a week in which the count goes above 70,000, it requires two consecutive counts of under 70,000 to lift the advisory on not swimming, boating, etc. At this time, West Monponsett and East Monponsett are tested once a week.


Date
Location
Cells/ml
Pond status
May 1, 2017
4th Avenue beach - West Monponsett
2,200
clean result
May 1, 2017
State Boat Ramp/Route 58 - West Monponsett
0
clean result
May 1, 2017
Route 36 Boat Ramp - East Monponsett Pond
0
clean result
May 8, 2017
4th Avenue beach - West Monponsett
0
clean result
May 8, 2017
State Boat Ramp/Route 58 - West Monponsett
0
clean result
May 8, 2017
State Boat Ramp/Route 58 - West Monponsett
1,500
clean result
May 15, 2017
Route 36 Boat Ramp - East Monponsett Pond
340
clean result
May 15, 2017
State Boat Ramp/Route 58 - West Monponsett
0
clean result
May 22, 2017
Route 36 Boat Ramp - East Monponsett Pond
0
clean result
May 22, 2017
4th Avenue beach - West Monponsett
150
clean result
May 22, 2017
State Boat Ramp/Route 58 - West Monponsett
700
clean result
May 30, 2017
Route 36 Boat Ramp - East Monponsett Pond
0
clean result
May 30, 2017
4th Avenue beach - West Monponsett
0
clean result
May 30, 2017
State Boat Ramp/Route 58 - West Monponsett
800
clean result
June 5, 2017
Route 36 Boat Ramp - East Monponsett Pond
600
clean result
June 5, 2017
4th Avenue beach - West Monponsett
900
clean result
June 5, 2017
State Boat Ramp/Route 58 - West Monponsett
800
clean result
June 12, 2017
Route 36 Boat Ramp - East Monponsett Pond
0
clean result
June 12, 2017
4th Avenue beach - West Monponsett
500
clean result
June 12, 2017
State Boat Ramp/Route 58 - West Monponsett
400
clean result
June 22, 2017
Route 36 Boat Ramp - East Monponsett Pond
55
clean result
June 22, 2017
4th Avenue beach - West Monponsett
5,037
clean result
June 22, 2017
State Boat Ramp/Route 58 - West Monponsett
2,211
clean result
June 29, 2017
Route 36 Boat Ramp - East Monponsett Pond
2,300
clean result
June 29, 2017
4th Avenue beach - West Monponsett
2,400
clean result
June 29, 2017
State Boat Ramp/Route 58 - West Monponsett
4,100
clean result
July 5, 2017
Route 36 Boat Ramp - East Monponsett Pond
1,400
clean result
July 5, 2017
4th Avenue beach - West Monponsett
29,000
clean result
July 5, 2017
State Boat Ramp/Route 58 - West Monponsett
64,000
clean result
July 12, 2017
Route 36 Boat Ramp - East Monponsett Pond
789
East Monponsett Open
July 12, 2017
4th Avenue beach - West Monponsett
84,099
West Monponsett Closed
July 12, 2017
State Boat Ramp/Route 58 - West Monponsett
89,706
West Monponsett Closed
July 17, 2017
Route 36 Boat Ramp - East Monponsett Pond
440
East Monponsett Open
July 17, 2017
4th Avenue beach - West Monponsett
27,000
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
July 17, 2017
State Boat Ramp/Route 58 - West Monponsett
45,000
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
July 24, 2017
Route 36 Boat Ramp - East Monponsett Pond
1,200
East Monponsett Open
July 24, 2017
4th Avenue beach - West Monponsett
17,600
West Monponsett Open (two consecutive weeks of 70,000 or below)
July 24, 2017
State Boat Ramp/Route 58 - West Monponsett
18,400
West Monponsett Open (two consecutive weeks of 70,000 or below)
July 31, 2017
Route 36 Boat Ramp - East Monponsett Pond
2,000
East Monponsett Open
July 31, 2017
4th Avenue beach - West Monponsett
36,000
West Monponsett continues to be Open
July 31, 2017
State Boat Ramp/Route 58 - West Monponsett
44,000
West Monponsett continues to be Open
August 7, 2017
Route 36 Boat Ramp - East Monponsett Pond
6,200
East Monponsett Open
August 7, 2017
4th Avenue beach - West Monponsett
70,800
West Monponsett Closed
August 7, 2017
State Boat Ramp/Route 58 - West Monponsett
85,700
West Monponsett Closed
August 14, 2017
Route 36 Boat Ramp - East Monponsett Pond
39,898
East Monponsett Pond is closed based on the advice of the MA Department of Public Health
August 14, 2017
4th Avenue beach - West Monponsett
82,126
West Monponsett Closed
August 14, 2017
State Boat Ramp/Route 58 - West Monponsett
117,188
West Monponsett Closed
August 21, 2017
Route 36 Boat Ramp - East Monponsett Pond
43,041
East Monponsett Closed - but, this result is considered to be "clean". If next week's result is below 70,000, then East Monponsett will be re-opened.

August 21, 2017
4th Avenue beach - West Monponsett
117,540
West Monponsett Closed
August 21, 2017
State Boat Ramp/Route 58 - West Monponsett
117,221
West Monponsett Closed
August 28, 2017
Route 36 Boat Ramp - East Monponsett Pond
50,504
East Monponsett is Open, based on two consecutive weeks of test results below 70,000.
August 28, 2017
4th Avenue beach - West Monponsett
134,910
West Monponsett Closed
August 28, 2017
State Boat Ramp/Route 58 - West Monponsett
102,116
West Monponsett Closed
September 5, 2017
Route 36 Boat Ramp - East Monponsett Pond
7,826
East Monponsett is Open.
September 5, 2017
4th Avenue beach - West Monponsett
61,853
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
September 5, 2017
State Boat Ramp/Route 58 - West Monponsett
57,125
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
September 11, 2017
Route 36 Boat Ramp - East Monponsett Pond
10,304
East Monponsett is Open.
September 11, 2017
4th Avenue beach - West Monponsett
61,496
West Monponsett Pond Closed (see count on Boat Ramp).
September 11, 2017
State Boat Ramp/Route 58 - West Monponsett
97,996
West Monponsett Pond Closed.
September 18, 2017
Route 36 Boat Ramp - East Monponsett Pond
1,553
East Monponsett is Open.
September 18, 2017
4th Avenue beach - West Monponsett
9,899
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
September 18, 2017
State Boat Ramp/Route 58 - West Monponsett
42,749
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
September 25, 2017
Route 36 Boat Ramp - East Monponsett Pond
42,938
East Monponsett is Open.
September 25, 2017
4th Avenue beach - West Monponsett
18,828
West Monponsett Closed; visible scum at State Boat Ramp.
September 25, 2017
State Boat Ramp/Route 58 - West Monponsett
69,181
West Monponsett Closed; visible scum at State Boat Ramp.
October 2, 2017
Route 36 Boat Ramp - East Monponsett Pond
307
East Monponsett is Open.
October 2, 2017
4th Avenue beach - West Monponsett
14,544
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
October 2, 2017
State Boat Ramp/Route 58 - West Monponsett
18,489
West Monponsett Closed; two consecutive weeks of 70,000 or below needed to re-open
October 10, 2017
Route 36 Boat Ramp - East Monponsett Pond
395
East Monponsett is Open.
October 10, 2017
4th Avenue beach - West Monponsett
3,169
West Monponsett is Open.
October 10, 2017
State Boat Ramp/Route 58 - West Monponsett
4,746
West Monponsett is Open.
October 26, 2017
Route 36 Boat Ramp - East Monponsett Pond
801
East Monponsett is Open.
October 26, 2017
State Boat Ramp/Route 58 - West Monponsett
3,957
West Monponsett is Open.
November 1, 2017
Route 36 Boat Ramp - East Monponsett Pond
263
East Monponsett is Open.
November 1, 2017
4th Avenue beach - West Monponsett
219
West Monponsett is Open.
November 1, 2017
State Boat Ramp/Route 58 - West Monponsett
351
West Monponsett is Open.


Current Mosquito Information


Latest Mosquito Information (October 4, 2017)

Due to the significant number of positive results for mosquitoes carrying the West Nile Virus (WNV), the Commonwealth has increased Halifax’s risk status from "Low" to "Moderate". The results have been found in Culex mosquitoes, the Culex restuans. Natural and artificial containers are the preferred larval habitat of Culex mosquitoes. It feeds almost primarily on birds but has been known to bite humans on occasion. This species is typically collected from May to October but can be found year round as it readily overwinters in man-made structures. Cx restuans has been implicated as a vector of WNV. Take this bird biter as a warning. People have control over stagnant water in containers: buckets, tarps, tires, etc. Rinse them out, turn them over. Rinse bird baths at least twice a week.

Residents should continue to take precautions including removing all containers with standing water such as accumulating junk in the yard, not maintaining swimming pools and allowing them to sit with green stagnant water, along with toys, tarps and tires. The peak time for transmission of EEE will continue through at least some of September. The types of mosquitoes most likely to carry EEE are considered to be active dusk to dawn but the timing of that activity can be impacted by temperature, humidity, cloud cover and day length. In addition, active participation in outdoor sports increases our availability to mosquitoes. Physical exertion and sweating may also change individual attractiveness to mosquitoes and may decrease the time that repellents are effective.

DPH is writing to ask you to help us get the word out to residents, schools and athletic groups, that it is important to take steps to avoid mosquito bites. Know the drill – mosquito repellents, clothing and limiting outdoor activity during peak mosquito activity hours. In case they are useful, the DPH wants to remind you of the short PSA videos that it has available online for you to download and use (or link to). They are available at www.mass.gov/mosquitoesandticks.

Also, keep in mind that our residents travel between cities and towns regularly and some of those may travel from areas not familiar with EEE.  They may not be mindful of the importance of preventing mosquito bites.  Please remind them.

To call for ground spraying of your property, call Plymouth County Mosquito Control at 781 585 5450

Individuals can call the Project, between 8:00am and 3:00pm on Monday through Friday, to request that their property be sprayed. The Project’s phone number is (781) 585-5450, fax (781) 582-1276 or mail us at P.O. Box 72, Kingston, MA 02364. To find out where the spray routes are going to be call (617) 582-6219 (during spray season). Plymouth County Mosquito Control Project

For more information on EEE and WNv, please see DPH's site at:



Monponsett Pond - Frequently Asked Questions

What is the enabling legislation that allows the City of Brockton to divert water from Monponsett Pond?

There was legislation approved in 1893, 1896 and 1899 concerning Silver Lake and in 1885 concerning water resources in Rockland, Abington and "South Abington".

The Massachusetts State Legislature approved the enabling legislation in 1964. This was modified in 1981. The MA Department of Environmental Protection modified this slightly to allow for diversion to Silver Lake during the summer months under certain conditions.

The MA Department of Public Works approved a license for the diversion infrastructure in 1965.

Who do I contact to hold a fishing tournament, a boat contest or a similar event on Monponsett Pond?

Contact the Commonwealth of Massachusetts. Permit forms can be downloaded or you can contact David Diotalevi, Access Program Coordinator, 53 Groton Shirley Road, Ayer, MA 01432. Tel. 978-772-4658; Fax. 978-772-9824; Email david.diotalevi@state.ma.us 

How can I obtain a copy of the presentation made by Lycott Environmental in early 2013 concerning algae remediation?

A copy of the presentation is available on the Town's web site.

What studies are available about the natural and manmade water flows in the area?

The Division of Marine Fisheries published a report on the Forge Pond Dam, which is between Silver Lake and the Jones River in 2013. While not specific to Monponsett Pond, because Brockton is allowed to divert water from Monponsett Pond to Silver Lake, Monponsett Pond is mentioned a number of times. The Sustainable Water Management Initiative report concerning Silver Lake, Monponsett Pond and Stump Brook was completed in the summer of 2013.

What records are available for water flows to and from Monponsett Pond?

Diversion data for Monponsett Pond and other bodies of water (1996-2013) - Excel workbook
"[Link]Legend" for columns in the Excel workbook
Flows through the fish ladder at the Brockton Dam on Stump Brook (2013) - Text file

What examples exist of work being done on similar ponds in Massachusetts?

The White Island Pond (a pond in Wareham and Plymouth) Conservation Alliance has issued its brochure for 2013. It contains advice how how residents and others can lower the amounts of phosphorous going into White Island Pond along with a progress report of the work begin done. In addition, the Massachusetts Bureau of Resource Protection (part of DEP) issued a report (2010) on the Final Total Maximum Daily Load of Total Phosphorous for the pond, establishing a benchmark.

How much water can be diverted on a daily basis from Monponsett Pond to Silver Lake? How much water could be diverted downstream via Stump Brook?

According to Princeton-Hydro, the Silver Lake Diversion Pipe can divert a maximum of 40 cubic feet per second (cfs) or 25.8 million gallons per day (MGD).

The maximum amount of water that can be sent downstream using the fish ladder at the Brockton Dam on Stump Brook is 15 cfs or 9.7 MGD.

If the water level at the Brockton Dam is six inches above the height of the dam, then 80 cfs or 51.7 MGD will go over the dam.

If the water level at the Brockton Dam is one foot above the height of the dam, then 200 cfs or 129.3 MGD will go over the dam.

 
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