Cornelius Commercial Utility Rates: Adopted July 2026 Water, Sewer, Surface Water, and Car-Wash Checks
Cornelius adopted July 2026 utility rates with commercial water base charges, flat commercial water volume, winter-water sewer usage, car-wash actual-use sewer treatment, surface-water ESU billing, and general service fees.
Quick Answer
Cornelius adopted utility rate changes at its June 1, 2026 City Council meeting, effective July 1. The adopted schedule lists a $208.92 commercial water base charge for a 2-inch meter, $4.98 per 1,000 gallons for commercial water, and $3.34 per 1,000 gallons for sewer usage.
$208.92
2-Inch Water Base
Commercial, adopted
$4.98
Commercial Volume
Per 1,000 gal
$3.34
Sewer Usage
Per 1,000 gal
$36.00
Commercial GSF
Per EDU
What changed in Cornelius
Source-reported facts: Cornelius says the City Council adopted utility rate changes at its regular meeting on June 1, 2026, with new rates effective July 1, 2026.
The adopted rate sheet says the changes reflect a 2 percent water increase, 4 percent CWS sanitary sewer increase, 4 percent city sanitary sewer increase, 4 percent CWS surface-water increase, no city surface-water increase, and a $1.50 per EDU increase to the commercial general service fee.
Who may be affected
Commercial properties with larger meters, car washes, multifamily buildings, restaurants, retail centers, schools, offices, and sites with large impervious surface areas should review the proposal.
The commercial water structure is simpler than residential tiers because commercial volume is listed at a flat $4.98 per 1,000 gallons. The sewer and surface-water lines are where many businesses need more care.
Why sewer and surface water need separate checks
Cornelius lists sanitary sewer base fees of $37.82 for the CWS base fee and $16.74 for the Cornelius base fee, multiplied by equivalent dwelling unit billing units on the account. The sewer usage fee is $3.34 per 1,000 gallons and is based on winter water consumption.
The rate sheet also says car washes are billed for actual water consumption month to month. Surface water includes a CWS base fee of $11.75 and a Cornelius base fee of $5.00, multiplied by equivalent surface unit billing units.
What a 20 percent usage reduction could mean
Directional estimate: assume a Cornelius commercial account uses 100,000 gallons per month and its sewer usage line tracks winter-water consumption. The adopted commercial water volume rate is $4.98 per 1,000 gallons and sewer usage is $3.34 per 1,000 gallons.
A 20 percent usage reduction equals 20,000 gallons. At $8.32 per 1,000 gallons for water plus sewer usage, that is about $166.40 in monthly variable exposure before water base charges, sewer base fees, surface-water ESU charges, general service fees, car-wash treatment, and site feasibility.
What to check first on your bill
Confirm meter size, commercial water volume, equivalent dwelling units, winter water consumption, whether the account is a car wash, equivalent surface units, and the general service fee.
Stormwater or surface-water charges should not be treated as usage-reducible unless the utility ties them to a water-use behavior. Cornelius describes ESU-based surface-water billing, which is a property-surface measure rather than a domestic water meter measure.
Where Smart Valve fits
Smart Valve may be relevant where a Cornelius commercial property has controllable metered domestic water usage and sewer usage follows water consumption. Car washes need special review because the rate sheet says they are billed for actual monthly water consumption.
It should not be modeled against fixed base fees, surface-water ESU charges, or general service fees unless the bill itself shows those lines move with water volume.
What to Do Next
Identify EDU and ESU counts before estimating usage-reduction economics.
Check winter-water consumption because it can set sewer usage for the year.
Treat car washes separately because actual monthly water use is called out.
FAQ
What is the adopted Cornelius commercial water volume rate for July 2026?
The adopted July 2026 rate sheet lists commercial water volume at $4.98 per 1,000 gallons.
How does Cornelius calculate commercial sewer usage?
The rate sheet says sewer usage is $3.34 per 1,000 gallons based on winter water consumption, while car washes are billed for actual water consumption month to month.
Would Smart Valve reduce Cornelius surface-water ESU charges?
Not by default. ESU-based surface-water charges are tied to equivalent surface units, not metered domestic water volume, so they should be excluded from usage-reduction savings unless the bill proves otherwise.
Sources
Related Commercial Water Resources
Model This Market Against Your Actual Bill
Use your local rate, current monthly bill, and billed usage to estimate how much controllable volume reduction could offset this market pressure.
