Water Quality in Dallas, OR (97371)

EPA violation data for public water systems serving ZIP code 97371.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 22 monitoring/reporting violations.

More violations than 81% of US ZIP codes.

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

694

Population

4

Water Systems

23

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (4)

Dallas, City Of

All resolved
Surface water 17,911 people served
16 violations (5yr) · All resolved
Lead tested: 4.3 ppb (limit: 15 ppb)

Monmouth, City Of

All resolved
Groundwater under influence of surface water 11,651 people served
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Rickreall Water Association

1 health-based
Groundwater 1,650 people served
1 violation (5yr) · 1 health-based · All resolved

Derry Warehouse Co.

Groundwater 28 people served
0 violations

Contaminants Found

NitrateHealth-Based

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

1 violation
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

4 violations
All resolved
Surface Water Treatment RuleMonitoring
4 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
3 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

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?

Dallas (97371) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 23.

Fewer violations 81th 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

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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