Environmental monitoring
1 monitoring site
Gauge availability and water-quality observations describe their own locations and dates—not every point on this waterbody.
HUDSON RIVER AT PIER 84 AT NEW YORK NYStream · 0 recent observationsView site →
river
Hudson River
Maps, monitoring sites and assessments for this waterbody. Measurements describe individual sites or segments, not conditions across the entire river or lake.
Open in the atlas →Hudson River water quality
3 linked assessment segments and 1 monitoring sites are available here. Assessment reporting cycles: 2022. Assessment results apply to the named segments and uses; monitoring samples apply to their collection sites and dates. Neither provides a river-wide swimming or drinking-water verdict.
Inspect water quality assessments and monitoring sites · EPA ATTAINS source
Streamflow
We do not have a daily streamflow history for this river or lake yet. Try an individual gauge below. Water-quality samples measure different things and cannot tell us how much water is flowing.
Preparing the waterbody map…
Water quality assessments
3 assessed segments
Each assessment applies to a specific stretch of water and reporting period. It lists the uses assessed, any problems found, and the official status; it does not rate the whole river.
Hudson River (Class I)NY1301-0006 · 2022 · impairedecological: Not Supporting · recreation: Insufficient Information
Hudson River (Class SB), portionNY1301-0005 · 2022 · impairedecological: Not Supporting · recreation: Insufficient Information
Hudson River (lower)NJ02030101170030-01 · 2022 · impaireddrinking water: Not Assessed · ecological: Not Supporting · fishconsumption: Not Supporting · recreation: Fully Supporting
History
Monitoring history near Hudson River
Compare changes over time using the dates and units on each chart. Instantaneous readings, daily averages and individual samples remain separate.
monitoring site
Hudson River at Pier 84
1 observationsirregular sample resolutionSep 27, 2021 to Sep 27, 2021
Method and recent values
Discrete samples grouped only where characteristic, unit, method, and fraction match.
Method version: wqp-compatible-series-v1. No smoothing is applied. Points are discrete samples; no line is drawn between them.
- Sep 27, 20211.1 ug/l
Assessment history
Assessments by river segment
Each point is the status reported for a specific segment in that assessment cycle, not a river-wide continuous condition.
Documented relationships
Connected water network
Watervlietnearby water · spatial distance · high confidenceNo detail page
Jersey Citynearby water · spatial distance · high confidenceNo detail page
New Rochellenearby water · spatial distance · high confidenceNo detail page
Nassaunearby water · spatial distance · high confidenceNo detail page
HUDSON RIVER AT PIER 84 AT NEW YORK NYmonitors · direct source name and geometry · high confidenceExplore →Hudson River (Class I)has assessment unit · direct source name and geometry · high confidenceNo detail page
Yonkersnearby water · spatial distance · high confidenceNo detail page
Hudson River (Class SB), portionhas assessment unit · direct source name and geometry · high confidenceNo detail page
Albanynearby water · spatial distance · high confidenceNo detail page
New Yorknearby water · spatial distance · high confidenceNo detail page
Newarknearby water · spatial distance · high confidenceNo detail page
Hudson River (lower)has assessment unit · direct source name and geometry · high confidenceNo detail page
Mount Vernonnearby water · spatial distance · high confidenceNo detail page
Bayonnenearby water · spatial distance · high confidenceNo detail page
Elizabethnearby water · spatial distance · high confidenceNo detail page
Edgewaternearby water · spatial distance · high confidenceNo detail page