National Assessment of First Nations Water and Wastewater Systems - Saskatchewan Regional Roll-Up Report

Figure 3.5 – Risk Profile Based on Water Treatment System Classification

This graph illustrates the risk profile of water treatment systems in First Nations communities in Saskatchewan by the treatment system classification.

None

• The mean overall risk score for systems classified as “None” is 8.0.
• 100 percent of the systems classified as “None” have a high overall risk.

Small Systems

• The mean overall final risk score for Small Systems is 5.09.
• 50 percent of the Small Systems have a low overall risk. 12 percent of the Small Systems have a medium overall risk. 38 percent of the Small Systems have a high overall risk.

Level I Systems

• The mean overall final risk score for Level I Systems is 5.84.
• 19 percent of the Level I Systems have a low overall risk. 52 percent of the Level I Systems have a medium overall risk. 29 percent of the Level I Systems have a high overall risk.

Level II Systems

• The mean overall risk for Level II Systems is 5.30.
• 28 percent of the Level II Systems have a low overall risk. 50 percent of the Level II Systems have a medium overall risk. 22 percent of the Level II Systems have a high overall risk.

MTA Systems

• The mean overall risk for MTA (Municipal Type Agreement) Systems is 3.49.
• 67 percent of the MTA (Municipal Type Agreement) Systems have a low overall risk. 33 percent of the MTA (Municipal Type Agreement) Systems have a medium overall risk.

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