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Pennsylvania Lake Management Society

EIN 23-2569587Mertztown, PAEnvironmentLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Nov 6, 2026, 9:38 AM ET
IRS nonprofit listing
No issue
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
No record
Charity type
509(a)(1)

$165krevenue
FY2025 · +29% in 3 yrs
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$100k$200k$300k’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin45.6%
Months of reserve16.1mo
Revenue growth (annualized)+29.4%
Middle half of peersMedianPennsylvania Lake Management Society
Where the money goes FY2025 · $90k spent
Programs$87k97%Management and general$2k3%990 FY2025 · Part IX line 25