Water Quality in Fresno, CA (93656)

EPA violation data for public water systems serving ZIP code 93656.

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

7,172

Population

13

Water Systems

25

Violations (5yr)

20

Health-Based

Location

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Water Systems Serving This Area (13)

City Of Fresno

Surface water 545,716 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Clovis

Surface water 130,130 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Hanford, City Of

1 health-based
Groundwater 62,127 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Lemoore, City Of

13 health-based
Groundwater 27,185 people served
16 violations (5yr) · 13 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Corcoran, City Of

Groundwater 22,808 people served
0 violations
Lead tested: 9.3 ppb (limit: 15 ppb)

Lemoore Naval Air Station

Surface water 15,000 people served
0 violations

Avenal, City Of

5 health-based
Surface water 13,696 people served
6 violations (5yr) · 5 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Riverdale Public Utility District

1 health-based
Groundwater 2,756 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 5.7 ppb (limit: 15 ppb)

Riverdale Joint Union High School

Groundwater 450 people served
0 violations

Terra Linda Farms

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

Linda Vista Farms

Groundwater 63 people served
0 violations

Lous Place

Groundwater 25 people served
0 violations

Sandy Bluffs Educational Centr

Groundwater 25 people served
0 violations

Contaminants Found

TTHMHealth-Based
18 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
3 violations
Has active
FluorideHealth-Based
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
NitrateMonitoring

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

1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

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?

Fresno (93656) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 25.

Fewer violations 82th 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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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