Publication Summary

Title

Mercury Sources to Lake Ozette and Lake Dickey: Highly Contaminated Remote Coastal Lakes, Washington State, USA. Article in the journal, Water, Air, & Soil Pollution.

Month-Year PublishedSeptember 2009
Online Availability
not available
Short Description

Mercury concentrations in largemouth bass and mercury accumulation rates in age-dated sediment cores were examined at Lake Ozette and Lake Dickey in Washington State. After accounting for fish length, tissue concentrations at the lakes were significantly higher than other Washington State lakes. Wet deposition and historical atmospheric monitoring from the area show no indication of enhanced local or regional deposition. Sediment core records from the lakes indicate rising sedimentation rates coinciding with logging in the lakes′ drainages has greatly increased the net flux of mercury to the waterbodies.

See link to the journal summary page below.

(Also see abstract below)
Publication Number09-03-047
Author(s)Furl, C., J.A. Colman (USGS), and M.H. Bothner (USGS)
Print Availability
Request from the program.
Contact the journal for a copy of the article.
Number of pages 0
Keywords coastal, contaminated, fish, lake, mercury, sediment, soil, water
Subject Waterbodies
Ozette Lake,
Dickey Lake
map of Washington state showing locations of subject waterbodies
Related Web ContentSummary page on journal site
Related Publications TitleRelationship    
History of Mercury in Selected Washington Lakes Determined from Age-Dated Sediment Cores: 2006 Sampling Resultssupporting publication
Measuring Mercury Trends in Freshwater Fish in Washington State: 2007 Sampling Resultssupporting publication
Abstract Long Description

Mercury concentrations in largemouth bass and mercury accumulation rates in age-dated sediment cores were examined at Lake Ozette and Lake Dickey in Washington State. Goals of the study were to compare concentrations in fish tissues at the two lakes with a larger statewide dataset and examine mercury pathways to the lakes. After accounting for fish length, tissue concentrations at the lakes were significantly higher than other Washington State lakes. Wet deposition and historical atmospheric monitoring from the area show no indication of enhanced local or regional deposition. Sediment core records from the lakes indicate rising sedimentation rates coinciding with logging in the lakes′ drainages has greatly increased the net flux of mercury to the waterbodies.

This page last updated September 14, 2009