Resources for volunteer community scientists

Volunteer role snapshot

Lake Erie Rangers volunteer scientists are collecting water quality data in the Lake Erie watershed to fill regional data gaps and support piloting new water quality monitoring methods for contaminants (including Ecoli nutrients, and chloride/road salt) at numerous locations in the Lake Erie basin, with a focus on the Niagara region and the western basin of Lake Erie.

How it works

What you’ll do: Volunteers monitor sites in the Lake Erie watershed on a regular basis using Water Rangers testkits, which include baseline water monitoring, roadsalts, E.coli, and nutrients.

When and where: Volunteers are assigned locations in their region to monitor on a regular basis. Testing is typically done on a monthly basis, and blitzes are held at key times during the year.

What we provide/What you bring: Water Rangers provides all testing equipment to volunteers, training and support, as well as a data platform for managing and sharing data. You just need to bring your time, enthusiasm, and appropriate clothing.

Get involved

Interested in getting involved in the Lake Erie Rangers’ program? Email us at kiersten@waterrangers.ca for more information and to discuss available locations in need of a volunteer.

Upcoming Events Calendar: Opportunities for the 2025 season now available here.

Get you location assignments

Reach out to Water Rangers to discuss your interest in volunteering for the Lake Erie Rangers program, and to determine which locations are available for monitoring.

Support and training for existing volunteers

It’s essential for you to become familiar with your testkit and the parameters you’re monitoring in order to collect high quality, usable data! Water Rangers’ staff offers in-person and online training for Lake Erie Rangers volunteers. Check out our events for in person training dates, or reach out anytime to organize a virtual training session with us.

We’re always here if you have questions or need support with the testkit, data management, or anything else related to the program.

Training resources

Check out all our training resources here. Testkit training videos are available in both French and English. You can check them out here anytime.

Testkit training videos

• How to use your winter testkit
• How to use your Freshwater explorer testkit
• How to use your E.coli testkit

Volunteer monitoring schedule

As a Lake Erie Water Ranger, you should aim to test at 1 to 3 locations. Once you’ve confirmed your locations with Water Rangers’ staff, you should aim to test at these same locations each month. Consistency is super important. We’ll only be able to establish trends about these locations if you test at the same spot(s) month after month.

• Official monthly testing days: Our official testing days happen on the last Sunday of every month (back-up days are Friday, Saturday, and Monday). We’ll email you every month with a reminder.
• Monitoring frequency: While testing weekend is the last weekend of every month, some people test weekly or after weather events. We recommend testing as often as possible, but aim for at least once a month.
• Year round testing : With our new winter monitoring testkit we’re now testing year round!

Blitzes

A blitz event is a coordinated effort where volunteers collect water quality data at multiple locations over a short period, often a single day. A targeted monitoring blitz focuses on collecting data for a specific parameter or event, such as measuring chloride levels or E.coli during stormwater runoff from winter melts.

Blitz event schedule

• Pre-winter baseline (November): Before the first major snowfall to establish baseline chloride levels
• Post-salting events (December–March): immediately after significant salting events following snowfalls or freezing rain to assess runoff impacts.
• Thaw and rainfall events (late winter to early spring): measure spikes in chloride concentrations following thaw or heavy rains.
• Spring melt (April): during peak snowmelt to capture data on seasonal salt runoff and potential longer-term accumulation.
• Summer baseline check (June): Monitor mid-year chloride levels to observe any lingering impacts.

Managing your data

How you manage your test results is just as important as testing the water. Remember to get your observations off your notepads and onto Water Rangers’ data platform as soon as possible to that your data is properly managed and shared.

1. Create a Water Rangers’ user account. Visit Sharing your data for instructions.
2. Click here for guides on how to use our field app and web app for your data entry.
3. Once you’ve created your user account, join a Lake Erie Guardians group.

As a Guardian it’s important your test results are shared on our platform as part of the Lake Erie Guardians Group

• Lake Erie Rangers
• Niagara Coastal

View Lake Erie Guardian’s data on Water Rangers here, and request to join the group if you haven’t already done so.

Upcoming events

Water Rangers hosts a number of events for Lake Erie Rangers’ volunteers. Check back often for the latest updates, or register for our newsletter to stay up to date.

• October 23, 2025 – Join us as we plant native wetland and pollinator species in the Cedar Creek watershed with Essex Region Conservation Authority! Register for our Essex Region wetland restoration planting here
• Fall 2025 – Niagara restorative planting events. Dates TBD.

Lake Erie heroes

The “Greatest Ranger of All Time,” or “GROAT,” is someone who has made a significant contribution to community-based water monitoring!

Jeff Watson joined the Lake Erie  Guardians program back in 2021 and has been a consistent tester ever since. So far, Jeff has collected 21 observations at his testing locations in Leamington, ON and made great contributions to wetland plantings in the Essex region. Thank you for all you do for water, Jeff!!

More about Lake Erie Rangers program

Background

The Lake Erie Rangers (formerly the Lake Erie Guardians) project is a community-driven initiative designed to enhance water quality monitoring across the Lake Erie basin, with a particular focus on the Niagara region and the western basin of the lake. Through this program, citizen scientists play a vital role in collecting data on key contaminants, including PFAS, nutrients, and chloride (road salts). By addressing critical gaps in regional water quality data, the project supports innovative pilot programs to develop and refine new monitoring methods.

This ambitious three-year project (2024–2027) is made possible through a $330,000 grant from the Canada Water Agency under the Freshwater Ecosystems Initiative.

Aligned with the goals of the Freshwater Ecosystems Initiative, the program seeks to address challenges impacting water quality and ecosystem health in the Great Lakes. By empowering communities to contribute to vital scientific efforts, Lake Erie Water Rangers fosters collaboration, innovation, and a deeper connection to the stewardship of our freshwater resources.

The Lake Erie Rangers program received initial funding from the Province of Ontario’s Great Lakes Local Action Fund (Ministry of Environment, Conservation and Parks), and again in 2024/25 to support the road salt related activities of this project. This reflects the strong support for local engagement in tackling pressing environmental issues.