Maine Lakes at Risk of Having an Algal Bloom

Frequency of blooms

  • Often: Annually or near-annually
  • Sometimes: 2-5 years (sometimes more in past)
  • Rarely: One year on record

Risk of future blooms

  • Very High: will likely bloom annually
  • High: will likely bloom again
  • Moderate: could occasionally bloom
  • Low: unlikely given other data
LAKE TOWN LAKE ID# FREQUENCY RISK COMMENTS
ABRAMS P EASTBROOK 4444 Sometimes High
ADAMS P BOOTHBAY 5366 Rarely Low
ANASAGUNTICOOK L HARTFORD 3604 Rarely Low
ANDROSCOGGIN L LEEDS 3836 Rarely Moderate
ANNABESSACOOK L MONMOUTH 9961 Often High Was treated in 1980s.
AUBURN L AUBURN 3748 Rarely Moderate Water supply. Was treated in 2019.
BARKER P HIRAM 3136 Rarely Low
BEAR P T03 R05 BKP WKR 5140 Rarely Low
BEDDINGTON L BEDDINGTON 4524 Rarely Low
BLACK L FORT KENT 1666 Sometimes High
BOYDEN L PERRY 1404 Rarely Low
BRANCH P (EAST) T07 R11 WELS 2822 Rarely Moderate
BRETTUN'S P LIVERMORE 3608 Rarely Low
BREWER L ORRINGTON 4284 Rarely Low
CARLTON P WINTHROP 5310 Rarely Low
CENTER P LINCOLN 2218 Rarely Low
CHICKAWAUKIE P ROCKPORT 4822 Often Moderate Was treated in early 1990s.
CHINA L CHINA 5448 Often Very High
CLARY L (PLEASANT P) JEFFERSON 5382 Sometimes High
COBBOSSEECONTEE (LT) WINTHROP 8065 Often Moderate
COBBOSSEECONTEE L WINTHROP 5236 Often Moderate
COCHNEWAGON P MONMOUTH 3814 Rarely Moderate Was 'Often/High' until treated in 2019.
COCHRANE L NEW LIMERICK 1744 Rarely Low
COFFEELOS P T06 R11 WELS 2712 Rarely Moderate
CONROY L MONTICELLO 1018 Rarely Moderate
CROSS L T17 R05 WELS 1674 Often High Restoration efforts underway.
CRYSTAL (BEALS) P TURNER 3626 Rarely Low
DEBSCONEAG L (5TH) RAINBOW TWP 602 Rarely Low
DUCK P (BIG) E MIDDLESEX CANAL GR 2954 Rarely Moderate
DUTTON P CHINA 5724 Rarely Moderate
EAST P SMITHFIELD 5349 Rarely Moderate Was 'Often/High' until treated in 2018.
ECHO L PRESQUE ISLE 1776 Often Moderate
ELL (L) P WELLS 119 Sometimes Moderate
FAIRBANKS P MANCHESTER 5296 Rarely Moderate
FOLSOM P LINCOLN 2222 Rarely Low
GARLAND P GARLAND 4128 Sometimes Moderate
GEORGES P FRANKLIN 4406 Often Moderate Was 'Often/Moderate' until treated in 2020.
GOULD P DEXTER 5474 Sometimes High
HADLEY L #2 T24 MD BPP 1226 Rarely Low
HALFMOON P ST ALBANS 5460 Rarely Moderate
HALLS P PARIS 3780 Sometimes Low
HANCOCK P BUCKSPORT 4318 Sometimes High
HANSON BROOK L MAPLETON 9767 Sometimes High
HIGHLAND (DUCK) L FALMOUTH 3734 Sometimes High
HIGHLAND L BRIDGTON 3454 Rarely Low
HOBBS P HOPE 4806 Rarely Low
HOLLAND (SOKOSIS) P LIMERICK 3942 Sometimes Low
HOSMER P CAMDEN 4808 Rarely Low
HOWARD P HANOVER 3520 Rarely Low
HUNNEWELL L ST JOHN PLT 1554 Rarely Low
JAYBIRD P HIRAM 3178 Rarely Low
JEWETT P PLEASANT RIDGE PLT 50 Rarely Low
JOHNSONS P WATERVILLE 8087 Sometimes Low
KEZAR P FRYEBURG 9709 Sometimes Moderate
KIDDER P VIENNA 5334 Rarely Low
KILLICK P HOLLIS 5014 Rarely Moderate
LAKE CHRISTINA FORT FAIRFIELD 9525 Sometimes High
LARD P TURNER 3798 Rarely Moderate
LEADBETTER P (LT) T07 R11 WELS 2700 Rarely High
LILLY P ROCKPORT 83 Sometimes High
LITTLE P DAMARISCOTTA 5706 Sometimes Low
LONG L T17 R04 WELS 1682 Sometimes Low
LONG P PARSONSFIELD 9701 Sometimes Moderate Restoration efforts underway.
LOON L DALLAS PLT 2384 Rarely Low
LOVEJOY P ALBION 5176 Often Very High Hypereutrophic lake.
MADAWASKA L T16 R04 WELS 1802 Often Moderate
MITCHELL P T07 R09 WELS 9757 Sometimes Low
MUD P MANCHESTER 8133 Rarely High
MUD P OLD TOWN 2278 Rarely High
MUD P MEDFORD 960 Rarely Low
MURDOCK P BERWICK 3931 Rarely Low
NEQUASSET P WOOLWICH 5222 Rarely Low
NORTH & LITTLE PONDS ROME 5344 Sometimes High
NOTCH P (BIG) T03 R05 BKP EKR 328 Sometimes Low
NUBBLE P RAYMOND 3692 Sometimes High
PAPOOSE P WATERFORD 3414 Sometimes Low
PARADISE (MUDDY) P DAMARISCOTTA 5708 Sometimes High
PARLIN P PARLIN POND TWP 2544 Rarely Low
PATTEE P WINSLOW 5458 Sometimes Moderate
PEASE P WILTON 5198 Sometimes Low
PENKNIFE L (LOWER) ROBBINSTON 1442 Rarely Low
PENNESSEEWASSEE (LT) NORWAY 367 Rarely Low
PLEASANT & MUD LAKES T06 R06 WELS 3670 Sometimes High
PLEASANT (MUD) P GARDINER 5254 Often Very High
PLEASANT HILL P SCARBOROUGH 6436 Sometimes Low
PLYMOUTH P PLYMOUTH 2276 Sometimes Moderate
PORTAGE L PORTAGE LAKE 1602 Sometimes Moderate
QUIMBY P RANGELEY 3526 Often Very High
RIPLEY P RIPLEY 746 Rarely Low
ROCKY P T03 R08 WELS 2018 Sometimes Low
ROUND P LYMAN 5038 Rarely High
ROUND P T13 R12 WELS 1470 Rarely Low
SABATTUS P GREENE 3796 Often Very High Hypereutrophic lake.
SADDLEBACK L DALLAS PLT 3536 Sometimes Low
SALMON L (ELLIS P) BELGRADE 5352 Sometimes High
SALMON P GREENVILLE 346 Rarely Moderate
SAND P BALDWIN 3394 Rarely Low
SANDY (FREEDOM) P FREEDOM 5174 Sometimes Moderate
SANDY RIVER P(UPPER) SANDY RIVER PLT 3568 Rarely Low
SEBAGO L (LITTLE) WINDHAM 3714 Rarely Low
SEBASTICOOK L NEWPORT 2264 Often High
SECOND L MARION TWP 1374 Rarely Low
SNAG (STUMP) P LINCOLN 2228 Rarely Moderate
SPECTACLE PONDS MONSON 368 Rarely Low
TAYLOR P AUBURN 3750 Rarely Low
THE BASIN AUBURN 71 Sometimes Moderate
THE TARN BAR HARBOR 4456 Rarely Low
THREECORNERED P AUGUSTA 5424 Sometimes Moderate
THREEMILE P CHINA 5416 Often Very High Water supply.
TOGUS P AUGUSTA 9931 Sometimes Moderate
TOLMAN P ROCKPORT 4823 Rarely Moderate
TRAFTON L LIMESTONE 9779 Often High
TWIN P #2 T04 R09 WELS 2028 Sometimes Low
UNITY P UNITY 5172 Often Very High
UNNAMED P MANCHESTER 8135 Rarely Moderate
WASSATAQUOIK L (LIT) T04 R10 WELS 4214 Sometimes Low
WATCHIC P (LITTLE) STANDISH 3398 Rarely Low
WEBBER P VASSALBORO 5408 Often High
WEST HARBOR P BOOTHBAY HARBOR 5372 Sometimes Low
WHITEHEAD L BRIDGEWATER 1006 Rarely Low
WILEY P BOOTHBAY 5374 Rarely Low
WILSON P (LITTLE) TURNER 3784 Rarely Low
WINNEGANCE P WEST BATH 37 Rarely Low

Note: risk assignment is based on presence of elevated phosphorus and/or elevated chlorophyll data and in a few cases, best professional judgement of lake biologists.