Water Systems Serving Zip Code 93401

Not sure which system is yours? Most residents in ZIP 93401 are likely served by San Luis Obispo Water Department (population served: 47,788). Check your water bill for your provider name if you're unsure.

Direct EPA ZIP Matches

34 active water systems have this ZIP in EPA records.

Water SystemPopulation ServedSourceViolationsHealth-Based
Higuera Apartments 30 Groundwater 44 32
Caltrans - Shandon Rest Stop 1,300 Groundwater 2 2
Fiero Lane Water Company, Inc. 324 Surface Water Purchased 2 2
141 Suburban Road Water Supply 25 Groundwater 2 2
Vachell Water System 150 Groundwater 10 1
Madonna Inn Water Company 120 Groundwater 9 1
Elks Lodge #322 40 Groundwater 9 1
Sunset Drive-In Snack Bar 25 Groundwater 1 1
Baron Canyon Mutual Water Co. 81 Groundwater 13 0
Caltrans Camp Roberts Rsra Nb 1,750 Groundwater 12 0
Caltrans Camp Roberts Rsra Sb 2,560 Groundwater 10 0
Strasbaugh, Inc 200 Groundwater 6 0
Waste Connections Water Co 35 Groundwater 6 0
Afuera De Chorro Water Company 79 Groundwater 3 0
Edna Valley Vineyards 25 Groundwater 3 0
Callender Grove Mutual Water 126 Groundwater 2 0
Noll Properties 100 Groundwater 2 0
Niner Wine Estates, LLC 25 Groundwater 2 0
Zoo Med-Winterhaven 85 Groundwater 1 0
San Luis Obispo Water Department 47,788 Surface Water 0 0
Cal Trans - Gaviota Rsr 4,690 Surface Water Purchased 0 0
Tiger Water Supply 1,600 Groundwater 0 0
Santa Margarita Ranch Headquarters 362 Groundwater 0 0
Jack Ready Imagination Park 200 Groundwater 0 0
Gran Cielo Mutual Water Company 139 Groundwater 0 0
Las Ventanas Ranch 108 Groundwater 0 0
Chamisal Vineyards 40 Groundwater 0 0
Parsons Water Supply 35 Groundwater 0 0
Playa Dulce 35 Groundwater 0 0
J M Sims Water Supply 34 Groundwater 0 0
Horizon Lane Water Supply 32 Groundwater 0 0
Holdgrafer & Associates 30 Groundwater 0 0
Harmony Water Works 25 Groundwater 0 0
Independence Water System 25 Groundwater 0 0