D
41

Poor Water Quality

Saint Helens, OR 97051

Columbia County · Population served: 18,152 · Data updated March 2026

Water Systems Serving This Area

🏔
ST HELENS, CITY OF
Surface water · Pop. 13,410
PWSID: OR4100724
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MCNULTY WATER PUD
Groundwater · Pop. 2,500
PWSID: OR4100725
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WARREN WATER ASSOCIATION
Groundwater · Pop. 2,050
PWSID: OR4100726
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CROWN MOBILE HOME PARK
Groundwater · Pop. 42
PWSID: OR4101009
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DEER ISLAND WATERWORKS
Groundwater · Pop. 90
PWSID: OR4101233

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
5.5
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

1 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBS15.5 ppt2000 ppt100 pptBelow limit

Violation History (Last 5 Years)

202Total (5yr)
13Health-Based
66Major

Water Quality Summary

Understanding Your Water in Saint Helens

Tap water quality in Saint Helens, Oregon (97051) receives an overall grade of D (Poor) with a score of 41 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 26 points below the Oregon state average of 67. Compared to the national average (75), this area scores significantly lower. The area is served by 6 water systems providing water to approximately 18,152 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 1 compound, all currently below EPA limits. Over the past 5 years, water systems here have accumulated 202 violations, including 13 health-based violations.

Your Score 41/100 D
vs State 26 pts below Oregon avg (67)
vs National 34 pts below national avg (75)

What a Grade D Means

A score of 41/100 signals poor water quality in Saint Helens, OR. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Saint Helens, Oregon receives a grade of D (Poor) with a score of 41/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 97051 is served by 6 water systems using surface water, groundwater sources, providing water to approximately 18,152 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 5.5 ppb in Saint Helens, Oregon. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

1 PFAS compound were detected in water serving Saint Helens, Oregon, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Saint Helens, Oregon have received 202 violations in the last 5 years, including 13 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Saint Helens, Oregon should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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