8331_NewGloucester_2021-2022_AnnualReport_Web

2022 Sabbathday Lake Water Quality Report

ATTACHMENT 1- STATISTICAL ANALYSIS A Statistical Analysis of Long and Short-Term Water Quality Trends at Sabbathday Lake (1975-2018) Prepared by Jeremy Deeds, Maine DEP, December 2022

No Trend

Increasing Water Clarity Trend

Figure 1. Historical average (left) and 10-year average (right) Secchi disk transparency (SDT) in Sabbathday Lake, Station 1.

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