Your City's Water, and the Membrane It Calls For
We ship RO membranes across the continent, but feed water chemistry is local, and it decides which membrane earns its keep. Every number on these pages is read from the utility's own published water quality report (never from third-party databases) and matched to the right membrane configuration. New metros are added regularly.
AZ
NV
TX
Alamo
City of Alamo
- 1100 mg/L TDS · Brackish-range TDS
- 396 mg/L as CaCO3 hardness
Brownsville
Brownsville Public Utilities Board (BPUB)
- 772 mg/L TDS · Elevated TDS
- 358 mg/L as CaCO3 hardness
Donna
City of Donna
Edinburg
City of Edinburg Utilities Dept (supplemented by North Alamo WSC)
El Paso
El Paso Water (EPWater) — Public Service Board
Harlingen
Harlingen Waterworks System (HWWS)
La Feria
City of La Feria
Los Fresnos
City of Los Fresnos
McAllen
McAllen Public Utility (MPU)
Mercedes
City of Mercedes
- 1250 mg/L TDS · Brackish-range TDS
- 325 mg/L as CaCO3 hardness
Midland
City of Midland Utilities (Water Purification Plant)
Mission
Sharyland Water Supply Corporation
- 718 mg/L TDS · Elevated TDS
- 280 mg/L as CaCO3 hardness
Mission
City of Mission (municipal system)
- 318 mg/L as CaCO3 hardness
North Alamo WSC (Eastern RGV)
North Alamo Water Supply Corporation
Pharr
City of Pharr
San Antonio
San Antonio Water System (SAWS)
San Benito
City of San Benito
San Juan
City of San Juan
Weslaco
Military Highway WSC — South Weslaco (City of Weslaco surface water)
Don't see your city?
The chemistry still decides the membrane. Send us your utility's water quality report or your own water analysis and we'll spec the right configuration. We ship continent-wide.