How hard is Stouffville water?
Stouffville's water is a blend: York Region runs five municipal wells and adds Lake Ontario water via Toronto. York's Q2 2026 average for Stouffville was 318 mg/L hardness (about 18.6 grains per gallon) and 59.6 mg/L sodium, the hardest of York's blended systems. Ballantrae and Musselman's Lake run on groundwater alone at 205 mg/L. The town notes that iron and hardness are common in York's deep aquifers.
| Supply | Hardness (mg/L) | Grains / gallon |
|---|---|---|
| Stouffville (blended) | 318 | 18.6 |
| Ballantrae / Musselman's Lake (wells) | 205 | 12.0 |
| Markham, for comparison (lake) | 126 | 7.4 |
What that hardness does
- White scale on taps, shower glass and kettles
- Spots on dishes and glassware
- Water heaters and dishwashers that lose efficiency and wear out sooner
- More soap and detergent, and dry skin and hair
Above about 15 grains per gallon, as in parts of Stouffville, a softener has to regenerate more often. We size the resin bed and set the regeneration to your measured hardness and household so you're not wasting salt or running out of soft water.
Which softener fits a Stouffville home?
On chlorinated municipal water, the Enhanced Water Softener softens and removes chlorine in one tank. For straight softening, or on a well, SoftBlu has 2 cu ft of high-capacity resin. Well homes with iron need an iron filter in front of the softener.

Enhanced Water Softener
Softens hard water and removes chlorine and chloramine in one system.
See Enhanced Water Softener
SoftBlu Water Softener
High-capacity softener that stops scale on fixtures, kettles and appliances.
See SoftBlu Water Softener
Iron & Manganese Filter
Birm media removes iron, manganese and the orange or black stains they leave.
See Iron & Manganese FilterWhat it costs
Rent monthly with maintenance included, finance with 0% options, or buy outright, with free installation and a 10-year warranty. See payment options.
Water softeners nearby
Questions
Do I need a water softener in Stouffville?
At 318 mg/L, Stouffville water is hard enough to leave scale on fixtures and appliances. A free test shows exactly where your home sits.
How long does installation take?
Most softener installs take about an hour, often the day after your water test.
Can I use potassium instead of salt?
Yes. Potassium chloride works in our softeners if you'd rather not add sodium.
Free in-home water test
Find out what's in your Stouffville water
We test your water at your home, show you what's in it, and recommend the system that fits.
- Free
- About 30 minutes
- No obligation
