Policy Interface

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Policy Id:

SPR/SPA:

Risk:

SAL-13

Central Lake Ontario, Credit Valley, Toronto

Low, Moderate

Implementing Body

Legal Effect

Policy Tool

Threat Type

Status

Comment

Conservation Authority

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Adjala-Tosorontio Township of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Ajax Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Amaranth Township of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Aurora Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Brampton City of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No response required/not applicable

Caledon Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No response required/not applicable

Clarington Municipality of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Dufferin, County of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No response required/not applicable

Durham, Regional Municipality of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Durham is monitoring trends through our groundwater monitoring program.

East Garafraxa Township of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No response required/not applicable

Erin Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Halton Hills Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No response required/not applicable

Region is implementing body.

Halton, Regional Municipality of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

King Township of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Markham Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

In progress/some progress made

See comment on OP/ZBL status

Milton Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Mississauga City of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No response required/not applicable

Mono Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No progress made

need to evaluate low/moderate threats

Oakville Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Orangeville Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

In progress/some progress made

RMO will consult with water compliance staff to compile available sodium and chloride monitoring data conducted under the Safe Drinking Water Act and provide the available data to SPA staff.

Oshawa City of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Peel, Regional Municipality of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Pickering City of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No response required/not applicable

Richmond Hill Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

In progress/some progress made

See comment on OP/ZBL status

Scugog Township of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Simcoe, County of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Toronto City of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented: Policy outcome(s) evaluated - No further action(s) required

Toronto's intakes are located in Lake Ontario. Its ambient salt content is dominated by inputs in the Niagara River, and the multiple watersheds on which road salt is applied around Lake Ontario( American and Canadian side). Based on Policy LO-G-03, Toronto, in partnership with The Regional Municipalities of Peel and Durham ( PDT) are starting to install in-lake instrumentation which will allow continuous monitoring of in-lake conductivity levels, to see whether excursions of salt from specific tributaries cause a noticeable signature at the water treatment plant intakes. A watershed monitoring system is in place for all Toronto's tributaries, designed to assist in computing the transit of river plumes into the Lake Ontario Coastal Zone. The In-lake instrumentation will be at a subset of WTP intakes in the LOCG Partnership, and will take several years to complete installation for the 5 Lake Current Monitoring System (LCMS) installations of the Partnership. Part of the analysis of future gathered data can address the trend question, but as past modelling work has shown ( O'Connor and Mueller(1960), a dominant effect of choride trends in Lake Ontario are controlled by trends in Lake Erie; it is hypothesized that the may effect at specific intakes will be examining for short excursions of conductivity ( hence road salt caused) spikes from specific nearby tributaries associated with winter melt salty runoff in the tributary.

Uxbridge Township of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Vaughan City of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Wellington, County of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Whitby Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

No information available/no response received

Whitchurch-Stouffville Town of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

In progress/some progress made

See comment on OP/ZBL status

York, Regional Municipality of - (Municipality)

Strategic

Specify Actions to be taken to implement plan or achieve its objectives

Future & Existing

Implemented

Policy Text:

Where the application, handling and storage of road salt is, or would be, a moderate or low drinking water threat, the municipality is requested to report the results of its sodium and chloride monitoring conducted under the Safe Drinking Water Act and any other monitoring programs annually to the Source Protection Authority. The Source Protection Authority shall assess the information for any increasing trends and advise the Source Protection Committee on the need for new source protection plan policies to be developed to prevent future drinking water Issues, in any of the following areas:

• WHPA-A (VS = 10) (existing, future); or
• WHPA-B (VS ≤ 10) (existing, future); or
• WHPA-C (existing, future); or
• WHPA-D (existing, future); or
• WHPA-E (VS ≥ 4.5 and <9) (existing, future); or
• HVA (existing, future).

Monitoring Text:

N/A