The Canadian Radiological Monitoring Network – Gross Alpha / Beta in Drinking Water

This dataset provides the results obtained by Health Canada’s Canadian Radiological Monitoring Network (CRMN) for the gross alpha and beta activity concentrations in drinking water, given in units of becquerels per liter (Bq/L). More information about the CRMN network can be found on the Health Canada website (see link below).

Although water quality is a matter of provincial jurisdiction, the CRMN, in collaboration with the city of Ottawa, has been conducting a targeted program to monitor the radiological content of drinking water from two water treatment plants in Ottawa, ON. The Guidelines for Canadian Drinking Water Quality recommend screening levels of 0.5 Bq/L and 1.0 Bq/L for gross alpha and gross beta activity, respectively. The screening levels are set to reflect the most restrictive Maximum Acceptable Concentrations (MACs) for specific radionuclides in drinking water. If the screening levels are not exceeded, compliance with the guidelines can be inferred. The screening levels set out in the Guidelines for Canadian Drinking Water Quality are calculated based on annual averages of radionuclides in drinking water. Short-term exposure to levels above those recommended by these guidelines does not indicate a health risk. The measured gross alpha and gross beta activity concentrations presented here are well below the screening levels set by the Guidelines for Canadian Drinking Water Quality, with only one exception to date. This occurred February 28, 2011, and was attributable to the flushing of lead pipes at the water treatment plant. It resulted in a spike of naturally occurring lead radionuclides that was dealt with immediately by the City of Ottawa.

The map shows the approximate sampling location for each monitoring station. Stations are found within the associated location range.

Simple

Date ( RI_366 )
2020-12-16
Date ( RI_367 )
2021-03-29
RI_414
  Government of Canada;Health Canada
775 Brookfield Road , Ottawa , Ontario , K1A 0K9 , Canada
1 (613) 954-6647
Status
onGoing; enContinue RI_596
Maintenance and update frequency
asNeeded; auBesoin RI_540
Keywords ( RI_528 )
  • gross Alpha/Beta
  • radiation monitoring
  • environmental radioactivity monitoring
  • drinking water
Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
  • Environment
  • Health
  • Radioactive materials
  • Radioactivity
Use limitation
Open Government Licence - Canada (http://open.canada.ca/en/open-government-licence-canada)
Access constraints
license; licence RI_606
Use constraints
license; licence RI_606
Spatial representation type
vector; vecteur RI_635
Metadata language
eng; CAN
Metadata language
fra; CAN
Character set
utf8; utf8 RI_458
Topic category
  • Health
  • Environment
Begin date
2000-01
End date
2021-07
N
S
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W
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Reference system identifier
http://www.epsg-registry.org / EPSG:3978 /
Distribution format
  • ESRI REST ( 10.7.1 )

  • WMS ( 1.3.0 )

RI_410
  Government of Canada;Health Canada;Healthy Environments Consumer Safety Branch - ( )
775 Brookfield Rd , Ottawa , Ontario ,
RI_412
  Government of Canada;Natural Resources Canada - ( )
Sherbrooke ,
OnLine resource
NMS gross alpha/beta activity in drinking water - Data ( HTTPS )

Dataset;CSV;eng,fra

OnLine resource
Gross Alpha / Beta in Drinking Water ( ESRI REST: Map Server )

Web Service;ESRI REST;eng

OnLine resource
Gross Alpha / Beta in Drinking Water ( ESRI REST: Map Server )

Web Service;ESRI REST;fra

OnLine resource
Gross Alpha / Beta in Drinking Water ( HTTPS )

Web Service;WMS;eng

OnLine resource
Gross Alpha / Beta in Drinking Water ( HTTPS )

Web Service;WMS;fra

OnLine resource
CRMN - supporting information ( HTTPS )

Supporting Document;HTML;eng,fra

OnLine resource
Gross Alpha / Beta in Drinking Water - Data Dictionary ( HTTPS )

Supporting Document;PDF;eng

OnLine resource
Gross Alpha / Beta in Drinking Water - Data Dictionary ( HTTPS )

Supporting Document;PDF;fra

OnLine resource
NMS Gross Alpha/Beta testing in drinking water Graphs with Textual description ( HTTPS )

Supporting Document;HTML;eng

OnLine resource
NMS Gross Alpha/Beta testing in drinking water Graphs with Textual description ( HTTPS )

Supporting Document;HTML;fra

File identifier
685257af-5592-49de-8726-90090c6c3061 XML
Metadata language
fra; CAN
Character set
utf8; utf8 RI_458
Hierarchy level
dataset; jeuDonnées RI_622
Date stamp
2024-12-05T11:44:47
Metadata standard name
North American Profile of ISO 19115:2003 - Geographic information - Metadata
Metadata standard version
CAN/CGSB-171.100-2009
RI_414
  Government of Canada;Natural Resources Canada
Canada
 
 

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Associated resources

Not available