Lake assessment sites, the whole record

Every lake site-year in the TerraPulse dex over the whole record: a count by year, a map and the 50 largest, measured, with the source and licence of every number.

3,572 lake site-years over the whole record.

The largest by total phosphorus
whennametotal phosphorus
20074679.0
20224130.0
20123636.0
20123590.0
20123436.0
20123085.0
20222830.0
20072670.0
20222610.0
20222160.0

Measured by epa_nars_nla. US federal work - public domain by statute (17 U.S.C. 105). Lake of 2026-11-07.