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ZIP Code 93920 Water Quality
California · 2,046 people served · 10 water systems
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ExcellentZIP code 93920 is in California and is a small town from a drinking-water-service perspective, with 2,046 people served by 10 EPA-registered public water systems. It corresponds to BIG SUR.
Within ZIP code 93920, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 10 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 93920
Water Systems Serving 93920
PARTINGTON MWC
PWSID: CA2701263
35 served
VENTANA BIG SUR INN WS
PWSID: CA2702328
193 served
FERNWOOD WS
PWSID: CA2702325
184 served
RANCHO CHAPARRAL MWC
PWSID: CA2701278
58 served
NEW CAMALDOLI HERMITAGE WS
PWSID: CA2702268
44 served
POST RANCH INN WS
PWSID: CA2702299
416 served
COASTLANDS MWS (POST CREEK)
PWSID: CA2701279
129 served
NEPENTHE WS
PWSID: CA2701280
618 served
CLEAR RIDGE WA
PWSID: CA2701898
123 served
ESALEN INSTITUTE WS
PWSID: CA2701295
246 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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