Water Quality in Santa Rosa, CA (94951)

EPA violation data for public water systems serving ZIP code 94951.

No Health-Based Violations

None of the 10 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 48% of US ZIP codes.

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

3,294

Population

10

Water Systems

4

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (10)

Santa Rosa, City Of

Groundwater 175,396 people served
0 violations

Petaluma, City Of

Groundwater 60,781 people served
0 violations

Rohnert Park, City Of

All resolved
Groundwater 43,821 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Russian River Wc Rio Dell Dis

Groundwater 900 people served
0 violations

College Park Mutual Water Company

Groundwater 244 people served
2 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Green Mill Inn

Groundwater 50 people served
0 violations

Hill School - Private

Groundwater 25 people served
0 violations

Nps - Point Reyes - Coast Camp

Groundwater 25 people served
0 violations

Nps - Point Rayes - Glen Camp

Groundwater 25 people served
0 violations

Nps - Point Reyes - Sky Camp

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
ArsenicMonitoring

A naturally occurring element that can cause cancer and other health effects at high levels.

1 violation
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Santa Rosa (94951) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, most of which are monitoring/reporting issues.

Fewer violations 48th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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