Water Quality in Davis, CA (95695)

EPA violation data for public water systems serving ZIP code 95695.

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

37,702

Population

68

Water Systems

50

Violations (5yr)

29

Health-Based

Location

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Water Systems Serving This Area (68)

City Of Davis

Purchased surface water 67,457 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Woodland

Purchased surface water 61,462 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of West Sacramento

1 health-based
Surface water 53,355 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Uc - Davis

All resolved
Purchased surface water 49,616 people served
1 violation (5yr) · All resolved

Wild Wings Golf Community

Groundwater 1,115 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Knights Landing Svc. Dist.

1 health-based
Groundwater 944 people served
2 violations (5yr) · 1 health-based

Monroe/Leinberger Cntr - Waters

1 health-based
Groundwater 800 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Idlewheel Mobile Home Park

Groundwater 465 people served
0 violations

Yolo Co Housing Authority-El Rio Villa

Groundwater 432 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb)

Yolo Fliers Club

Groundwater 415 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Paul Reiff & Sons

Groundwater 405 people served
0 violations

Plainfield Elem School - Water

Groundwater 400 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Dixon Migrant Center

1 health-based
Groundwater 346 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

North Davis Meadows

15 health-based
Groundwater 314 people served
15 violations (5yr) · 15 health-based · All resolved

Cacheville Service Dist

1 health-based
Groundwater 239 people served
4 violations (5yr) · 1 health-based

Brentwood Water Company

Groundwater 207 people served
0 violations

Migrant Head Start Program - Water

1 health-based
Groundwater 200 people served
2 violations (5yr) · 1 health-based

Royal Palms Mobile Home Park

Groundwater 189 people served
0 violations

Bayer Research And Development Llc

Groundwater 178 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb)

Adela Cruz

Groundwater 165 people served
0 violations

Yolo Co Airport

1 health-based
Groundwater 114 people served
3 violations (5yr) · 1 health-based

John Harrison

Groundwater 112 people served
0 violations

Cache Creek Canyon-Middle Site

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved

Dubach City Park

Groundwater 100 people served
0 violations

Frank S Arco

Groundwater 100 people served
0 violations

Pacific Intl Rice Mills

Groundwater 100 people served
0 violations

Davis Migrant Center (Ciudad Del Sol)

1 health-based
Groundwater 91 people served
2 violations (5yr) · 1 health-based

West Valley Baptist Church

1 health-based
Groundwater 81 people served
3 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Pioneer Hi-Bred International

Groundwater 80 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Tanaka Brothers

Groundwater 78 people served
0 violations

Syngenta Seeds Llc

Groundwater 76 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Ceja-Reyes Inc

All resolved
Groundwater 75 people served
5 violations (5yr) · All resolved

Markley Cove Resort

Surface water 75 people served
0 violations

Jim Ward

Groundwater 72 people served
0 violations

Cache Creek Canyon - Lower Site

Surface water 70 people served
0 violations

North Kentucky Partners

Groundwater 70 people served
0 violations

Cache Creek Canyon-Upper Site

Surface water 70 people served
0 violations

Willow Springs School

Groundwater 66 people served
0 violations

Willow Oak Grocery - Water

Groundwater 60 people served
0 violations

Plainfield Station

All resolved
Groundwater 60 people served
1 violation (5yr) · All resolved

Sakata Seed Woodland Station

Groundwater 60 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Grassland Park Host Well (Old Yolo Bowme

Groundwater 52 people served
0 violations

Joe Castellanos

Groundwater 43 people served
0 violations

Yolo Co Housing Authority

Groundwater 40 people served
0 violations

Heidrick Farms Headquarters

Groundwater 40 people served
0 violations

Lomele Inc

Groundwater 40 people served
0 violations

Stanley Pool

Groundwater 36 people served
0 violations

Wesco Trailer

Groundwater 35 people served
0 violations

Westucky Water Assoc

Groundwater 33 people served
0 violations

Elkhorn Regional Park

Groundwater 32 people served
0 violations

Joe Heidrick Enterprises Inc

Groundwater 30 people served
0 violations

Wld Joint Uni School Dist

Groundwater 30 people served
0 violations

Bayer Research And Development Llc

2 health-based
Groundwater 28 people served
2 violations (5yr) · 2 health-based · All resolved
Lead tested: 45 ppb (limit: 15 ppb)

Capay Open Space Park

Groundwater 27 people served
0 violations

Woodland Aviation - Watts

Groundwater 25 people served
0 violations

Dale Long Water System

Groundwater 25 people served
0 violations

Conaway Conservancy Group

Groundwater 25 people served
0 violations

Gordon S Kentucky Village

Groundwater 25 people served
0 violations

Bernie Gorman, Jr

Groundwater 25 people served
0 violations

Taber Ranch Event Center & Vineyard

Groundwater 25 people served
0 violations

Satiety Winery

Groundwater 25 people served
0 violations

Richard Castillo

Groundwater 25 people served
0 violations

Woodland Regional Park

Groundwater 25 people served
0 violations

Indian Valley Water System - Yolo County

Surface water 20 people served
0 violations

Kentucky Avenue Industrial

Groundwater 20 people served
0 violations

Apex Agriculture

3 health-based
Groundwater 17 people served
3 violations (5yr) · 3 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

B & T Farms

Groundwater 16 people served
0 violations

Branigan'S Turkey Farm

Groundwater 1 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
18 violations
Has active
NitrateHealth-Based

At high levels, nitrate can cause blue baby syndrome in infants.

16 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

9 violations
All resolved
SeleniumHealth-Based
3 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
COLIPHAGEMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Exceeds limit
45 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Davis (95695) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 50.

Fewer violations 90th 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

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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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