One local buoy, an upstream gauge, dated samples and selected public notices. Each result keeps its location, date and limitations. There is no river-wide average or health score.
Continuous history: 30 days · Laboratory samples: past year
No measurements for this location.
Newer publication with qualifications
Confirmed routine sample
Routine results on the latest confirmed sample date
Multiple distinct results; no single result is preferred.
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No published notices found for this selection. Operator coverage is incomplete.
Collection interrupted · current availability unknown
Chart data and coverage
Date
Value
Unit
Coverage
Method
Evidence
Changes in period
Repeated publications are grouped only when their source identity supports it. Samples with unresolved identity remain separate.
All source publications, including repeated representations and quality-control samples. Publication counts are not independent sample counts.
BWSC and MassDEP coverage incomplete.
Latest observed states · source issuance times unavailable
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No records in checked sources for this selection.
Location
Source
Status
Details
Cleanup documents
Checked means Muni contacted the source. Publisher changed means the source reported an update. Observation history describes when the water was measured; these times can differ. Retained record counts include source publications and do not count independent samples.