Provincial Water Quality Monitoring Network (PWQMN)

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The Provincial (Stream) Water Quality Monitoring Network (PWQMN) measures water quality in rivers and streams across Ontario.Over 400 locations are currently monitored in partnership with Ontario's Conservation Authorities, participating municipalities and provincial parks.Partners collect water samples on an approximately monthly basis and deliver them to the Ministry's laboratory where they are analyzed for a suite of water quality indicators. The program has been operating since 1964 providing a valuable database for tracking changes in water quality over time. More recently, special studies have been implemented in agricultural and urban watersheds to collect additional information in support of source protection planning and nutrient, road salts and pesticides management.


Version 3.0.0
DOI https://doi.org/10.25976/tnw0-3x43
Data Steward Email pwqmn@ontario.ca
Data Collection Organization Ontario Ministry of Environment, Conservation and Parks
Data Upload Organization Ontario Ministry of Environment, Conservation and Parks
Progress Code onGoing
Maintenance Frequency Code unknown
Topic Category Code inlandWaters
Spatial Extent -94.592393° 42.011697°, -74.09438° 54.654225° (W S, E N)
Temporal Extent 1964-06-10 to 2020-12-17
Date Published 2022-02-10
Alternate Formats FGP HNAP ISO:19115-2 (XML), W3C DCAT (XML), W3C DCAT (JSON-LD)

Citation

Ontario Ministry of Environment, Conservation and Parks. 2022-02-10. "Provincial Water Quality Monitoring Network (PWQMN)" (dataset). 3.0.0. DataStream. https://doi.org/10.25976/tnw0-3x43.

Funding Sources

Water quality

Open Government Licence (OGL)

See disclaimer for details. https://www.ontario.ca/page/open-government-licence-ontario

API Access

https://api.datastream.org/v1/odata/v4/Records?$filter=DOI%20eq%20%2710.25976%2Ftnw0-3x43%27

curl -G https://api.datastream.org/v1/odata/v4/Records --data-urlencode "\$filter=DOI eq '10.25976/tnw0-3x43'" -H "x-api-key: PRIVATE-API-KEY"

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Changelog

v3.0.0

2022-02-08 (2022-02-08T03:56:54.618Z)

Added new 2020 data.

Schema v2.6.4
Digest SHA3-256=ce0b4a26439d8fa2ab7c660baba2917208985a1f59730e764a6dc419b3ab2286
File size 2.16 GB
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v2.0.0

2021-04-16 (2021-04-16T15:49:52.825Z)

Dataset information change

File size 2.06 GB
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v1.0.0

2020-09-01 (2020-09-01T20:27:27.753Z)

Automated Integration

Schema v2.0.3
Digest SHA2-256:b41d732bac13931c3655056a41af77f95da23ebe6440fcfdfac97fa9761b1975
File size 2.06 GB
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