Water Quality in RIPON, CA (95366)

EPA violation data for public water systems serving ZIP code 95366.

30

Total Violations

28

Health-Based

2

Monitoring / Reporting

30

Resolved

What does this mean?

30 of 30 violations have been resolved. 28 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 2 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 23 Population served: 18,994

Violations Detail (30 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
NitrateHealth-BasedN/A16Jun 30, 2025ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
ArsenicHealth-BasedN/A13Mar 31, 2025ResolvedSkin damage; circulatory system problems; increased risk of cancer
NitrateHealth-BasedN/A16Mar 31, 2025ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
NitrateHealth-BasedN/A11.4Mar 31, 2025ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
ArsenicHealth-BasedN/A13Dec 31, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer
NitrateHealth-BasedN/A16Dec 31, 2024ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
ArsenicHealth-BasedN/A13Sep 30, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer
NitrateHealth-BasedN/A15Sep 30, 2024ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
ArsenicHealth-BasedN/A13Jun 30, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer
ArsenicHealth-BasedN/A12Mar 31, 2024ResolvedSkin damage; circulatory system problems; increased risk of cancer

Lead & Copper Levels

Violation Timeline

2025(4)

Nitrate

02

Jun 30Resolved

Arsenic

02

Mar 31Resolved

Nitrate

02

Mar 31Resolved

Nitrate

02

Mar 31Resolved

2024(6)

Arsenic

02

Dec 31Resolved

Nitrate

02

Dec 31Resolved

Arsenic

02

Sep 30Resolved

Nitrate

02

Sep 30Resolved

Arsenic

02

Jun 30Resolved

Arsenic

02

Mar 31Resolved

How Does This Compare?

RIPON (95366) has 30 recorded violations, including 28 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

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.

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