Water Quality in Santa Cruz, CA (95018)

EPA violation data for public water systems serving ZIP code 95018.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

6,594

Population

31

Water Systems

12

Violations (5yr)

8

Health-Based

Location

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Water Systems Serving This Area (31)

Santa Cruz Water Department

Surface water 94,626 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Watsonville, City Of

Surface water 65,231 people served
0 violations

Soquel Creek Water District

Purchased surface water 40,809 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb)

San Lorenzo Valley Water Dist

1 health-based
Surface water 21,145 people served
2 violations (5yr) · 1 health-based

Csp - Big Basin State Park

Surface water 3,029 people served
0 violations

Butano State Park - Trail Cmp

Surface water 1,500 people served
0 violations

Csp- Kirkwood Entrance

Groundwater 1,154 people served
0 violations

Forest Lakes Mwc

Groundwater under influence of surface water 1,067 people served
0 violations

Csp - Ano Nuevo State Park

Groundwater 709 people served
0 violations

Csp - Rancho Del Oso

Groundwater 669 people served
0 violations

Csp - Castle Rock

Groundwater 200 people served
0 violations

Roaring Camp Railroad Inc

Groundwater 193 people served
0 violations

Csp Castle Rock State Park

Groundwater 187 people served
0 violations

Big Redwood Park Water

1 health-based
Purchased surface water 182 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Csp - Portola State Park

Surface water 181 people served
0 violations

Olympia Mutual Water Company

Groundwater 155 people served
0 violations

Csp Saddle Mountain Property

Groundwater 120 people served
0 violations

Csp Saddle Mountain

Groundwater 120 people served
0 violations

El Sol Water Company

Purchased groundwater 115 people served
0 violations

Butano State Park - Csp

Surface water 95 people served
0 violations

Pigeon Point Hostel

Groundwater 67 people served
0 violations

River Grove Mutual Water Assn

6 health-based
Surface water 54 people served
8 violations (5yr) · 6 health-based · All resolved
Lead tested: 4 ppb (limit: 15 ppb)

Felton Heights Mutual Water

Purchased groundwater 40 people served
0 violations

Csp-Nature Center

Groundwater 28 people served
0 violations

Csp - Tree Farm

Groundwater 27 people served
0 violations

Olmo Meadow Butano State Park

Surface water 25 people served
0 violations

Portola State Park

Surface water 25 people served
0 violations

Pine Mt Big Basin State Pk

Surface water 25 people served
0 violations

California State Parks

Groundwater 13 people served
0 violations

Csp Portola State Park

Surface water 10 people served
0 violations

Csp Butano State Park

Surface water 0
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
Has active
Interim Enhanced Surface Water Treatment RuleHealth-Based
3 violations
All resolved
Surface Water Treatment RuleHealth-Based
2 violations
All resolved
Long Term 2 Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
TTHMMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.6 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Santa Cruz (95018) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12.

Fewer violations 70th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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