Water Quality in Merced, CA (93610)

EPA violation data for public water systems serving ZIP code 93610.

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

23,520

Population

27

Water Systems

19

Violations (5yr)

15

Health-Based

Location

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Water Systems Serving This Area (27)

City Of Merced

Groundwater 93,692 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Madera

Groundwater 66,560 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

City Of Los Banos

1 health-based
Groundwater 47,419 people served
2 violations (5yr) · 1 health-based

City Of Atwater

Groundwater 29,479 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Chowchilla City Water Dept

Groundwater 13,916 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Valley State Prison

Groundwater 3,173 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Pioneer Market

Groundwater 400 people served
0 violations

Chowchilla Cong Of J W S

Groundwater 300 people served
0 violations

Plumas Lake Golf & Country Club

Groundwater 250 people served
0 violations

Alview School

Groundwater 250 people served
0 violations

Dairyland School

Groundwater 247 people served
0 violations
Lead tested: 8 ppb (limit: 15 ppb)

Fossil Discovery Center

Groundwater 231 people served
0 violations

Alview School

Groundwater 211 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Chowchilla Auction Yard

Groundwater 200 people served
0 violations

Certainteed Llc

Groundwater 170 people served
0 violations
Lead tested: 2.9 ppb (limit: 15 ppb)

Rop Center

Groundwater 150 people served
0 violations

Anderson Clayton Corp/Chow Mill

Groundwater 100 people served
0 violations

United Park Inc

Groundwater 100 people served
0 violations

Pioneer Market

All resolved
Groundwater 100 people served
2 violations (5yr) · All resolved

Red Top Market

Groundwater 100 people served
0 violations

Minturn Huller

Groundwater 95 people served
0 violations

Agriland Farming

14 health-based
Groundwater 60 people served
15 violations (5yr) · 14 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Mammoth Orange

Groundwater 50 people served
0 violations

Solis Water System

Groundwater 30 people served
0 violations

Solis'S Corner

Groundwater 30 people served
0 violations

U And A Mini Mart

Groundwater 25 people served
0 violations

Eddie'S Farm Market

Groundwater 0
0 violations

Contaminants Found

ArsenicHealth-Based

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

15 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
NitrateMonitoring

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

1 violation
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2.9 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Merced (93610) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.

Fewer violations 78th 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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