What is dissolved in Cornelius water, and what it does to glass
Charlotte Water, so the hardness and dissolved solids figures this site quotes apply directly here, and the dishwasher etching argument is a local one rather than a general one at a Cornelius address. Duke for power. The utility observation specific to the lake properties is that outdoor kitchen circuits and their protective devices are exposed to weather in a way indoor ones are not, so an outdoor appliance that trips or behaves intermittently is worth investigating at the supply before the appliance is condemned.
Establishing that matters here more than on any other appliance, because the single most useful thing we know about dishwashers in this region inverts the advice everybody has already read. Charlotte Water runs at 32 parts per million hardness, about 1.9 grains per gallon, with total dissolved solids at 59. That is soft. Every national troubleshooting article about cloudy glassware starts from limescale, and limescale is not what is happening.
Do one test before anything else. Soak a cloudy glass in white vinegar for a few minutes. If the cloudiness lifts, it is mineral film and it is a hard-water problem. If nothing changes, it is etching, which is not a deposit at all: it is material removed from the surface of the glass, and it is permanent.
The mechanism is documented by the appliance manufacturers themselves. Dishwasher detergent is built around polyphosphates and other softening agents because it is formulated assuming there is hardness to deal with. Put a full dose into water that is already soft and the softening component has nothing to act on, so the remaining alkalinity works on the next available surface. Glass is a silicate with metal ions in its surface, and it loses them.
The fix is to halve the detergent dose, and it is free. We will say that on the phone rather than booking a visit for it, because cloudy glassware regularly gets read as a dishwasher that has stopped cleaning and ends in a replaced appliance that does exactly the same thing.
Where the fault is genuinely mechanical in Cornelius, the order is filter, drain hose loop and waste disposal before anyone quotes a drain pump, and an inlet valve quoted with a pressure reading, for the same reason it is on a washing machine.
The commercial position is the same in Cornelius as it is at a Charlotte address, because the rate card on this site is not a Charlotte rate card. The diagnostic visit is $89 and it comes off the invoice in full when you approve the repair. Labour beyond that is $95 to $145 an hour. Nothing is added for the drive, and if the same fault returns after we have fixed it the return visit carries no fee at all.

What Cornelius itself changes
The kitchens in Cornelius
Cornelius built steadily rather than in a burst, with 24.1% of its housing going up in the 1990s and 32.5% in the 2000s and a median year of 2002. The result is that appliance failures here arrive spread out rather than street by street, which makes it a less predictable town than Indian Trail or Stallings and a more typical one. What genuinely distinguishes Cornelius is the lake: a substantial share of these properties have outdoor kitchens, covered terraces and boathouse or dock-side bar areas, and the appliances in them are a category of their own.
Getting an appliance in and out
Generally easy, with the lake properties carrying their own difficulty. Many of these houses fall away towards the water, so what presents as a two-storey house from the street is three from the lake side, and an appliance destined for a lower level has a genuine journey. Boathouse and dock-side installations are the extreme case and we ask about the route before booking rather than after, because a refrigerator that has to travel down an external stair is a different job.
Permits and who is licensed
Swapping an appliance on an existing connection does not require a permit anywhere in this service area, and we will tell you that rather than adding a line for one nobody filed. What is regulated is the connection itself: new or altered wiring for a hard-wired appliance falls under the North Carolina electrical board, and anything on a gas supply line falls under the plumbing and heating board. Neither is appliance work and we hand both to the licensed trade. Cornelius is reviewed by Mecklenburg County through its combined process. Outdoor kitchen circuits are the one context here where a genuinely new circuit is often involved, and that is licensed electrical work.