Water Quality in RAINIER, OR (97048)

EPA violation data for public water systems serving ZIP code 97048.

169

Total Violations

Health-Based

142

Monitoring / Reporting

164

Resolved

What does this mean?

164 of 169 violations have been resolved. 27 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 142 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: 19 Population served: 4,912

Violations Detail (169 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Groundwater Rule	Monitoring	N/A	N/A	Aug 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 22, 2025	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 9, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 9, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 5, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 31, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 29, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 13, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 31, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 31, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
COLIPHAGE	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 22, 2023	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
COLIPHAGE	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
COLIPHAGE	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
COLIPHAGE	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
COLIPHAGE	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 4, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 4, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 4, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Oct 21, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Oct 21, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Oct 21, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Oct 21, 2022	Resolved	N/A
Arsenic	Health-Based	N/A	0.011	Sep 30, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Sep 30, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 1, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 1, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 19, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 13, 2022	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 17, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jul 18, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 21, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 1, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 1, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 1, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(10)

Groundwater Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 22Active

Consumer Confidence Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Groundwater Rule

May 31Resolved

Public Notice

Apr 9Resolved

Public Notice

Apr 9Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

2024(34)

Revised Total Coliform Rule

Dec 31Resolved

Public Notice

Dec 5Resolved

Revised Total Coliform Rule

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

Consumer Confidence Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Consumer Confidence Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Consumer Confidence Rule

Sep 30Resolved

Consumer Confidence Rule

Sep 30Resolved

Consumer Confidence Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Groundwater Rule

Aug 31Resolved

Groundwater Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

TTHM

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Arsenic

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Public Notice

May 29Active

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Groundwater Rule

Mar 13Active

Revised Total Coliform Rule

Jan 31Resolved

2023(68)

1,2-Dichloropropane

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Benzene

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

Toluene

Dec 31Resolved

Styrene

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

Nitrate

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Groundwater Rule

Dec 31Resolved

Groundwater Rule

Dec 31Resolved

Groundwater Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Nitrate

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

COLIPHAGE

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Public Notice

Nov 22Active

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

Surface Water Treatment Rule

Oct 31Resolved

COLIPHAGE

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

COLIPHAGE

Sep 30Resolved

Consumer Confidence Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

COLIPHAGE

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

COLIPHAGE

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Groundwater Rule

Jun 30Resolved

Groundwater Rule

Jun 30Resolved

Groundwater Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Public Notice

Mar 4Resolved

Public Notice

Mar 4Resolved

Public Notice

Mar 4Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

How Does This Compare?

RAINIER (97048) has 169 recorded violations, including 27 health-based. 5 remain unresolved. 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in RAINIER, OR (97048)

What does this mean?

Violations Detail (169 total)

Lead & Copper Levels

Violation Timeline

2025(10)

2024(34)

2023(68)

2022(37)

2021(20)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

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