Current Water Level (Updated N/A at :AM)

Safe for Recreational use : ' | What is this?

This is the current water level of Lake Lillinonah. Our safety indicator should be used as a guideline only; higher lake elevations cause more floating debris. Always use caution and watch out for floating debris when navigating Lake Lillinonah.

Safest: below 194'
Debris presence unlikely - safe for recreational use.

Caution: 194' to 195'
Debris possibly present - caution advised.

Use Extreme Caution: above 195'
Debris likely present - dangerous.

Friends of the Lake

Protecting & Enjoying Lake Lillinonah since 2003

About Friends of the Lake

News and Announcements

Most Recent

Copper Sulfate Treatment: The Lake Lillinonah Authority will be applying Copper Sulfate to limited areas of Lake Lillinonah on Tuesday, August 31, 2010 to reduce algae. For more information, please see earlier articles on this website regarding Copper Sulfate treatments. read more...; Posted: August 31, 2010

WNPR’s Nancy Cohen reports on the algae in Lake Lillinonah: National Public Radio's Nancy Cohen visited Lake Lillinonah recently. To find the link to her story, please read more...; Posted: August 18, 2010

What’s that white film floating on Lake Lillinonah?: If you're wondering what that milky-white substance is floating near our shorelines this week, please read more...; Posted: July 22, 2010

Guest Speakers Announced: Friends of the Lake announces this year's guest speakers at the anniversary celebration... read more...; Posted: July 20, 2010

Water use restrictions from Algae & Milfoil Treatments: On Tuesday, July 13, the Lake Lillinonah Authority treated certain areas of the lake for algae (using copper sulfate) and for milfoil (using diquat). As of today, Thursday, July 15, there are no restrictions for swimming in the lake. It is our understanding that you may use the lake's water for irrigation beginning Saturday, July 17. Please contact the Lake Lillinonah Authority (LakeLillinonahAuthority.org) or refer to prior announcements on this website for more information. read more...; Posted: July 15, 2010

Lake Lillinonah to be chemically treated for Algae and Milfoil: The Lake Lillinonah Authority announces chemical treatments for algae and Eurasion Watermilfoil. The first application will take place on Tuesday, July 13, 2010. read more...; Posted: July 6, 2010

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Previous Posts

Copper Sulfate TreatmentPosted: August 31, 2010
WNPR’s Nancy Cohen reports on the algae in Lake LillinonahPosted: August 18, 2010
What’s that white film floating on Lake Lillinonah?Posted: July 22, 2010
Guest Speakers AnnouncedPosted: July 20, 2010
Water use restrictions from Algae & Milfoil TreatmentsPosted: July 15, 2010
Lake Lillinonah to be chemically treated for Algae and MilfoilPosted: July 6, 2010
Algae in Lake LillinonahPosted: June 29, 2010
GMS Newsletter - June 4, 2010Posted: June 5, 2010
Save the Lake Day a Success!Posted: June 3, 2010
A Letter From The Executive CommitteePosted: May 27, 2010
New Hi-tech Devices and Programs to Monitor Water QualityPosted: May 18, 2010
Nutrient Loads to Lake Lillinonah by USGSPosted: February 4, 2010

Lake Draw DownPosted: October 5, 2009
Lake Lillinonah Family Day BBQ 2009Posted: July 30, 2009
Lake Awareness WeekPosted: July 10, 2009
Notice of Intent to Conduct a Triennial Review of Water Quality StandardsPosted: June 30, 2009
FOTL funded Sandbar Study by Northwest Conservation DistrictPosted: June 30, 2009
FirstLight Power â€“ Debris Management Plan April 09 ReportPosted: May 2, 2009
Summer 2009 Treatment SchedulePosted: April 9, 2009
2009 NewsletterPosted: March 25, 2009
Eagle Project Power PointPosted: January 11, 2009

Summer 2009 EventsPosted: December 12, 2008
2008 GMS Challenge and SprintPosted: August 8, 2008
Lake Lillinonah Family Day BBQPosted: July 28, 2008
CT DEP Commissioner signs consent order with City of Danbury regarding Danbury Sewer Treatment PlantPosted: July 28, 2008
Governor Rell Proclaims July 20 - 26 CT Lakes Awareness WeekPosted: July 17, 2008
Governers Official Lake Awareness Week StatementPosted: July 17, 2008
Lake Water Summer 2008 Water TreatmentPosted: July 7, 2008
Hollywood Comes To Lake LillinonahPosted: June 11, 2008
Spring 2008 PhotosPosted: June 10, 2008
Save The Lake Day A Tremendous SuccessPosted: June 5, 2008
Spring 2008 NewsletterPosted: May 21, 2008
Key Summer 2008 DatesPosted: April 23, 2008
Save the Lake Day 2008 - May 31th!Posted: April 10, 2008

Lake Lillinonah Seasonal Draw Down is scheduled for October 20 to October 28Posted: September 24, 2007
Invitation to FirstLight Power’s third quarterly forum on the Shoreline Management PlanPosted: August 29, 2007
Lake Lillinonah Family Day 2007Posted: July 11, 2007
Friends of the Lake, Lake Lillinonah Authority and FirstLight Power Joint MeetingPosted: July 3, 2007
Spring 2007 NewsletterPosted: April 17, 2007
Save The Lake Day 2007Posted: March 6, 2007
Debris Management Plan 2006 AssessmentPosted: March 6, 2007

Local Legislators and Political RepresentativesPosted: October 5, 2006
FOTL Newsletter - 3rd Quarter 2006Posted: September 19, 2006
Lake Lillinonah Maintenance DrawdownPosted: September 13, 2006
GMS 2006 Regatta - September 24, 2006Posted: September 13, 2006
Water Level NotificationPosted: September 1, 2006
FOTL Comments to FERC on NGS Shoreline Management PlanPosted: August 17, 2006
Sample Intervene LettersPosted: August 14, 2006
Final Shoreline Management PlanPosted: July 29, 2006
Final SMP AvailablePosted: July 27, 2006
Northeast Utilities to Sell Competitive Generation Business to Energy Capital PartnersPosted: July 26, 2006
Delegation to tackle Lake Lillinonah water levelPosted: July 23, 2006
Attorney Genereal Blumenthal’s response to the Shoreline Management Proposal.Posted: July 10, 2006
Environmental Impact on Lake Lillinonah if NU Raises the Water Level to the Legal Maximum Height!Posted: July 10, 2006
Will The Lake RisePosted: July 8, 2006
Northeast Generation just can’t get it rightPosted: July 7, 2006
Time bomb on the lakePosted: July 2, 2006
SHORELINE MANAGEMENT PUBLIC HEARING - June 27Posted: June 24, 2006
Water Level Alert - June 23, 2006 at 2:45pmPosted: June 23, 2006
WATER LEVEL ALERT - June 23, 2006 10:30amPosted: June 23, 2006
Revised Shoreline Management PlanPosted: June 22, 2006
Save The Lake Day 2006 - Huge Success!Posted: June 17, 2006
Save The Lake DayPosted: June 10, 2006
Shoreline Management Plan Public Forum on June 27thPosted: June 8, 2006
Timely Notice of Changing Lake LevelsPosted: June 3, 2006
Lake Lillinonah Spring 06 NewsletterPosted: May 22, 2006
Letter to Governor Rell from FOTL to encourage support of funding for the Clean Water FundPosted: May 19, 2006
Lake Level Update and MorePosted: May 17, 2006
Northeast Generation Services Announces Name the Skimmer ContestPosted: May 16, 2006
Water Level AlertPosted: May 11, 2006
Northeast Generation Services Requests 90-Day Extension For Shoreline Management Plan FilingPosted: April 19, 2006
FOTL’s Official Response to FERC Regarding the Northeast Generation Services Shoreline Management PlPosted: April 18, 2006
Governor M Jodi Rell addresses the Brookfield League of Women Voters on Tuesday, May 16thPosted: April 10, 2006
Debris Management Program Update from Northeast Generation ServicesPosted: April 9, 2006
Still River Greenway and Waterway Clean-Up Day on May 20thPosted: March 5, 2006
Raising Lake LevelPosted: February 24, 2006
Essex Parnership submits Shoreline Management Plan Final Draft - view and see the FOTL CommentsPosted: February 22, 2006
EPA and DEP to Update Residents on Rest of RiverPosted: February 9, 2006
Shoreline Management PlanPosted: January 26, 2006
Bald Eagle Spotted Near DamPosted: January 18, 2006

Fund shortage stalls Lake Lillinonah cleanupPosted: November 22, 2005
Danbury may boycott Lake Lillinonah forumPosted: November 14, 2005
Letter to Lake Residents from Northeast GenerationPosted: November 11, 2005
Shoreline Management Plan (SMP) WorkshopsPosted: November 6, 2005
Lake Lillinonah Health Report ForumPosted: November 1, 2005
Water Level AlertPosted: October 20, 2005
FOTL Alert - Draw Down On Lake Lillinonah for Service and Maintenance on the damPosted: October 19, 2005
Recent Rainfall and Flow Conditions Relative to The Housatonic RiverPosted: October 15, 2005
Important Announcement From Northeast GenerationPosted: October 14, 2005
Water Level LoweredPosted: October 11, 2005
FERC approves NEG Debris Management PlanPosted: September 21, 2005
Draw Down On Lake LillinonahPosted: September 19, 2005
GMS INVITATIONAL CHALLENGEPosted: September 15, 2005
Still River StudyPosted: September 12, 2005
Search on for sources of harmful chemicals in Lake LillinonahPosted: September 6, 2005
Blue-Green AlgaePosted: August 28, 2005
New Friends of the Lake WebsitePosted: July 26, 2005
Friends of the Lake 2nd Anniversary CelebrationPosted: July 25, 2005
Happy Birthday Lake Lillinonah!!!Posted: July 22, 2005
Water Quality Progress ReportPosted: July 20, 2005
LLA Announce Copper Sulfate Treatment of Lake LillinonahPosted: July 18, 2005
Northeast Generation Awaiting ApprovalPosted: July 17, 2005
Lillinonah Debris Draws ComplaintsPosted: June 9, 2005
Debris Management Plan for the Housatonic Hydroelectric ProjectPosted: February 20, 2005