Ontario · Civic arena
Cornwall drinking water hardness is 130 mg/L on OpenStats, plus City Score rankings and local readings.
Civic arena · hometown HUD
#188 of 343
49% City Score XP
6/8 pillars on the board
Decade trail
Cornwall packs 6 of eight open-data pillars into its composite standing. Tap a rival below to see how the hometown stacks up head-to-head.
Rivalries on deck
Hardness, pH, and lead from municipal reports on the OpenStats water atlas. This page uses a regional estimate — open the water atlas for method notes.
Full Cornwall water quality report →City Score rankingsCompare cities · vs Belleville · vs BrantHardness guide
Watershed to tap · system map
Source, treatment, and distribution for Cornwall from municipal and provincial water records. Open the animated map for the full watershed-to-tap diagram — no nested topic navigation here.
Permits, tax, internet, radon, hazards, drinking water, and sports rankings where a CHL hometown applies.
Cornwall sits at City Score rank #188 with a standing of 49%, from 6 of 8 open-data pillars (tax, construction, connectivity, indoor air, water, seismic hazard, growth, safety). Missing pillars score at median standing so thin coverage cannot inflate the rank. Rising 60 places versus 2022 (#248 → #188).
Latest owned placements: indoor radon rank #216 of 327 at 90 Bq/m³ survey mean; residential mill rate rank #11 of 57 (16.70 mill rate). Full tables and method notes live on each study edition; atlas readings for the same slug open from the topic buttons.
Among Canadian cities on the hub, Cornwall carries a City Score standing of 49% (rank #188 of 343) with 6 of 8 pillars observed. That sits 4 points below the Ontario peer average across 123 ranked cities. Within Ontario, Cornwall ranks #82 of 123 on City Score.
The strongest signal in the current chart is population growth (standing 74%, rank #89 of 343, +2.0% annual growth). The weakest observed pillar is seismic hazard (standing 9%, rank #31 of 343).
Drinking-water hardness on the water atlas reads 130 mg/L as CaCO₃ for Cornwall. Compare that figure to the hardness pillar on the chart and to the national hardness guide on the hub.
Arena loadout
Arena rank #188 of 343
6/8 pillars · main XP bar
Pillar avg · hardness #234
No placement
Rank #156
Rank #216
Rank #31
Rank #11
Cornwall pillar standing
Eight equal-weight City Score pillars, 2025 panel year.
Source: OpenStats composite / study editions
City Score standing trend
Standing percentage by panel year (higher is better).
Years: 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Source: OpenStats composite timeseries
Achievements
Published residential mill-rate context for Cornwall.
Downtown waterfront park with Marina 200, the Civic Complex, Rotary Eco-Gardens, and the Recreational Path. Festival season turns the lawn
Waterfront complex overlooking Lamoureux Park, now also home to in-person tax and water services. A practical and civic landmark on Water
Guindon Park covers about 500 acres of smoke-free trails and St. Lawrence access just off Highway 2.
Where Cornwall sits in published building-permit figures for July 2026.
Older hometown notes stay on the desk archive (noindex) — this section shows recent highlights only.
Cornwall orients itself to the St. Lawrence River before almost anything else. Downtown, Lamoureux Park stretches along the water with Marina 200, the Aquatic Centre, the Cornwall Civic Complex, the Community Museum, Rotary Eco-Gardens, a splash pad, and the Cornwall Recreational Path tying the pieces together. On a summer weekend the park becomes the city's outdoor living room: Canada Day, Arts in the Park, and Cornwall Ribfest all land on that grass. Tax counters now sit on the main floor of the Civic Complex at 100 Water Street East, so even errands pull people toward the waterfront.
West along Highway 2, Guindon Park opens into about 500 acres of trails, river access, the Cornwall BMX Track, and winter ski and snowshoe routes. Locals treat it as a different outing from the downtown strip: longer loops, fat bikes, rowing on the St. Lawrence with the Cornwall Rowing Club, and space that feels farther from Pitt Street than the map suggests. The Benson Centre remains the practical hub for permits and trail passes when someone wants to book a gathering or ride.
Around the harbour, the Port Lands still sit in the conversation as unfinished waterfront business shared with the Mohawk Council of Akwesasne. Cornwall Transit stitches work and school trips across town, and Glen Stor Dun Lodge anchors care for the city and the United Counties of Stormont, Dundas and Glengarry. Put together it is a Seaway-side city that measures a good day by river air, a festival on Lamoureux Park, or a long circuit through Guindon.
Drawn from City of Cornwall - Lamoureux Park, City of Cornwall - Guindon Park, City of Cornwall, Cornwall Standard-Freeholder.
City Score from 2016–2025 across eight open-data pillars. Individual study placements are listed in the panels below.
Each study below is its own ranking. Where a study has more than one edition for this city, the chart shows standing across those years only.
Safety · OpenStats
Statistics Canada does not publish a police-service Crime Severity Index that OpenStats can match to Cornwall without copying a province, CMA, or another city. The safety pillar scores at median standing (50%) on City Score, the same rule used for other missing pillars.
Connectivity · OpenStats
OpenStats
Cities ranked by household-weighted maximum advertised download (Mbps) from ISED National Broadband Data hex ISP rows, with hex-to-city assignment by population-weighted gravity. The headline 2025 score is the dwelling-weighted mean of per-hex technology ceilings (fibre and cable at 1 Gbps, DSL lower). Household-weighted 50/10 availability (%) is stored on atlas rows as avail_5010_pct. Earlier panel years backcast along a national speed curve with city-specific fiber and availability paths.
10 editions · 2016–2025
Composite · OpenStats
OpenStats
Dimensional average of OpenStats open-data pillars for each panel year 2016-2025: tax, construction, connectivity, indoor air, water, seismic hazard, population growth, and crime severity. Each series is scored 0-1 within its edition; series in the same pillar are averaged, then all eight pillars are averaged with equal weight. Missing pillars score at median standing (0.5). Crime severity uses StatCan police-service CSI only (Tables 35-10-0026-01 and 35-10-0063-01); cities without a police-service match take median standing on the safety pillar. Growth uses StatCan CSD estimates; construction uses verified municipal building-permit value per resident (population field on each city record, 2021 Census vintage); mill rates and broadband use live rows plus documented year-varying estimates where needed. Radon, water, and PGA may be survey/model vintages carried forward and are flagged when static for more than two years. External commercial livability lists are never inputs.
10 editions · 2016–2025
Water · OpenStats
OpenStats
Communities ranked by municipal drinking-water hardness (mg/L as CaCO₃). Hardness changes slowly; the atlas vintage is carried across panel years and flagged when static for more than two years.
10 editions · 2016–2025
Water · OpenStats
OpenStats
Communities ranked by reported lead (µg/L) on the OpenStats water atlas. Carried across panel years until annual municipal report panels are ingested.
10 editions · 2016–2025
Health · OpenStats
OpenStats
Communities ranked by Health Canada survey mean indoor radon (Bq/m³). Rank 1 is the highest mean. Decade panel years without a new survey carry the CMA survey vintage forward; they are not annual retests.
10 editions · 2016–2025
Growth · OpenStats
OpenStats
Cities ranked by year-over-year population growth from Statistics Canada annual CSD estimates (Table 17-10-0155-01). Rank 1 is fastest growth. A few places without a clean CSD match use a provincial-path estimate anchored to seed population.
10 editions · 2016–2025
Property tax · OpenStats
OpenStats
Municipalities ranked by residential mill rate (education levies are shown on property-tax pages but not added here). Rank 1 is the highest rate. Atlas seed and published municipal rows anchor the panel; off-panel tax years (e.g. 2026) carry across 2016–2025; remaining gaps follow provincial paths.
10 editions · 2016–2025
Hazards · OpenStats
OpenStats
Communities ranked by NRCan peak ground acceleration (higher = stronger shaking hazard). Rank 1 is highest PGA. The seismic model is multi-year; values are carried across the City Score panel and flagged as static until NRCan publishes a new generation.
10 editions · 2016–2025
Livability
Maclean's
Successor-style municipal livability ranking published by Maclean's for 2019 and 2021 (no 2020 edition).
Single edition · 2021
Only one published edition places Cornwall in this study so far. Open the edition for method notes and the full table.
Livability
MoneySense
Annual composite ranking of Canadian municipalities on economy, housing, crime, health, and weather.
4 editions · 2014–2018
Distinctive local notes and places, each linked to its source.
Lamoureux Park is named for former MP and House Speaker Lucien Lamoureux and hosts Canada Day, Arts in the Park, and Cornwall Ribfest.
Guindon Park covers about 500 acres of smoke-free trails and St. Lawrence access just off Highway 2.
Municipal tax and water counter services relocated to the Cornwall Civic Complex at 100 Water Street East.
Glen Stor Dun Lodge is a city-owned home serving Cornwall and the United Counties of Stormont, Dundas and Glengarry.
Downtown waterfront park with Marina 200, the Civic Complex, Rotary Eco-Gardens, and the Recreational Path. Festival season turns the lawn into Cornwall's main stage.
West-end river park for hiking, biking, BMX, rowing views, and winter ski or snowshoe trails. The big outdoor counterweight to the downtown waterfront strip.
Waterfront complex overlooking Lamoureux Park, now also home to in-person tax and water services. A practical and civic landmark on Water Street East.
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