Water Quality in Grass Valley, CA (95970)

EPA violation data for public water systems serving ZIP code 95970.

No Health-Based Violations

None of the 5 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 43% of US ZIP codes.

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

453

Population

5

Water Systems

3

Violations (5yr)

0

Health-Based

Location

Loading map...

Water Systems Serving This Area (5)

Caltrans-Maxwell Reststops

Groundwater 15,000 people served
0 violations

City Of Orland

Groundwater 8,298 people served
1 violation (5yr)

Colusa Co. Wwd #2 - Princeton

Groundwater 382 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb)

River Valley Christian School

Groundwater 80 people served
2 violations (5yr)

Farmers Brewing Co.,Llc

Groundwater 25 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSMonitoring
2 violations
Has active
Lead and Copper RuleMonitoring

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

1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1.3 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Grass Valley (95970) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, most of which are monitoring/reporting issues.

Fewer violations 43th 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.

Nearby ZIP Codes

Check Another ZIP Code