Miami-Dade Commercial Water and Wastewater Rates: 2025-26 Non-Residential Meter and Sewer Checks

What changed in Miami-Dade

Source-reported facts: Miami-Dade Water and Sewer lists the 2025-26 schedule of rates effective October 1, 2025. The schedule defines non-residential customers as commercial or mixed commercial-use properties served by Miami-Dade Water and Sewer.

For a 2-inch non-residential water meter, the schedule lists a $54.11 monthly meter charge and water tiers of $0.5109, $4.4141, $5.9254, and $10.4299 per CCF. The top tier for that meter begins at 137 CCF monthly.

Who may be affected

Hotels, restaurants, car washes, multifamily mixed-use assets, offices, retail centers, healthcare facilities, laundries, industrial users, and campuses should confirm meter size before applying a blended Miami water rate.

Wastewater is also meter-size sensitive. The non-residential wastewater schedule lists monthly base facility charges from $6.27 for a 5/8-inch meter to $11,532.94 for a 24-inch meter, plus flow charges.

Why meter size and sewer must be modeled together

The water tier thresholds change by meter size, so a 2-inch account and a 6-inch account do not reach the same tiers at the same monthly CCF. A commercial estimate needs the actual meter size and usage period.

The non-residential wastewater schedule lists flow at $1.7653 per CCF for 0-3 CCF and $8.3585 per CCF for 4 CCF and over. That sewer-side marginal cost can make the variable bill larger than a water-only review suggests.

What a 20 percent usage reduction could mean

Directional estimate: assume a Miami-Dade non-residential 2-inch account uses 300 CCF in a month and the last 60 CCF sit in the highest water tier while wastewater flow also declines. A 20 percent reduction equals 60 CCF.

At $10.4299 water plus $8.3585 wastewater per CCF, those 60 CCF represent about $1,127.30 in monthly variable exposure. Actual savings depend on meter size, tier position, sewer linkage, restriction surcharges, fixed charges, and site feasibility.

What to check first on your bill

Confirm meter size, billed CCF, whether the account is monthly or quarterly, the water tier reached, the wastewater base facility charge, flow charges, and any South Florida Water Management District restriction surcharge exposure.

Do not include monthly meter charges, base facility charges, connection fees, or stormwater/non-water charges in a usage-reduction estimate unless the bill proves those lines change with metered volume.

Where Smart Valve fits

Smart Valve may be relevant when a Miami-Dade commercial property has controllable metered water volume and wastewater charges track water usage. It cannot reduce fixed meter or base facility charges.

The best first step is a 12-month bill assessment that identifies meter size, monthly tier position, and how much of the bill is actually variable water plus wastewater exposure.

FAQ

Sources

• Miami-Dade Water and Sewer - rates, fees, and charges page (retrieved June 25, 2026)
• Miami-Dade Water and Sewer - 2025-26 schedule of rates (retrieved June 25, 2026)