Short answer
Wheaton gets its water from City of Wheaton water utility, measured at 142 mg/L (hard on the USGS scale), as reported by the city's water supplier. Hard water speeds up sediment buildup in a tank, so flushing and anode checks matter more here.
Wheaton at a glance
| Water utility | City of Wheaton water utility Source |
|---|---|
| Water hardness | 142 mg/L (hard on the USGS scale), as reported by the city's water supplier Source |
| Water heater permit | Yes: City permit for residential conventional and on-demand water heaters (2014 Illinois Plumbing Code, 2024 IRC); manufacturer specs and plumber's Letter of Intent required; tankless also needs floor plan and panel schedule. Plumbing contractor registered with the City: submits State Plumbing Contractor Registration (055) and State Plumbing license (058) plus fee Source |
| Gas utility | Nicor Gas Source |
| Utility rebates | Nicor Gas residential energy efficiency rebates 2026: Tankless (UEF >= .95) $225; tanked storage (UEF >= .86) $150. Rules: installed 1/1/2026-12/31/2026 by a professional contractor; apply within 90 days of install or by 1/31/2027 Source |
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Water Heater Facts is an independent information service run by Strive LeadGen LLC. Local facts come from city, county and utility sources linked above; rules change, so confirm with the city before you start. Ratings and review counts change daily and are shown as of the date checked.