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Current Conditions Report Card About Parameters
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Current ConditionsReport CardAboutParameters
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A PROJECT OF BLUE WATER BALTIMORE


BALTIMORE
WATER WATCH

Measuring and mapping the health of Baltimore’s waterways

 
View Recent Water Quality
 
 


OUR IMPACT

Blue Water Baltimore, home of the Baltimore Harbor Waterkeeper, routinely
monitors water quality at 49 stations in the rivers, streams and harbor of the
Patapsco River watershed. Using our data we calculate scores for the health of
Baltimore’s waters according to Mid-Atlantic Tributary Assessment Coalition
(MTAC) protocol.

Learn More
 


51


MONITORING SITES




146K


READINGS COLLECTED


15


YEARS OF WATERSHED HEALTH




How to Read this Map
 


PARAMETERS MONITORED

 



NITROGEN


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PHOSPHORUS


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PH


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TEMPERATURE


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WATER CLARITY


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DISSOLVED OXYGEN


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FECAL BACTERIA


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CHLOROPHYLL


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CONDUCTIVITY


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View All Parameters
 


OUR MONITORING PROGRAM

Each year, Blue Water Baltimore collects and synthesizes tens of thousands of
individual data points in order to score the health of our regional waterways.

 
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Every indicator we track is equally important; from the Dissolved Oxygen content
in the Inner Harbor to the Conductivity levels in the Towson Run, each
measurement has a story to tell about the ecology of our streams, rivers, and
harbor – and the pollutants degrading them.  The long-term dataset that Blue
Water Baltimore has been building since 2013 is used by academic institutions,
state regulators, local law-makers, and members of the public to make informed
decisions about our waterways.  It’s also the scientific backbone of the
restoration, advocacy, outreach, and education work we conduct year-round.  


RAPID BACTERIA TESTING

In April 2019, Blue Water Baltimore began using new rapid bacteria testing
methods on water samples from several sites in the Baltimore Harbor that are
commonly used for boating, fishing, and other recreational activities. We
analyze these samples in-house at our own water quality lab, which allows us to
return results to the public faster than ever before. See our Current Conditions
map for the most recent readings.

 

 

Why This Matters

Blue Water Baltimore is home to the Baltimore Harbor Waterkeeper and a proud
member of the international Waterkeeper Alliance. Our mission is to restore the
quality of Baltimore’s rivers, streams, and harbor to foster a healthy
environment, a strong economy, and thriving communities. Our Waterkeeper and
staff scientists who lead our ambient water quality monitoring that generates
the data for this report are supported by private and governmental grants as
well as donations from supporting members.

Learn More

 
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© 2024 BLUE WATER BALTIMORE

1801 E. Oliver Street
Baltimore, MD 21213
(410) 254-1577

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Banner photo by Damon Meledones