Water Quality in The Dalles, OR (97037)

EPA violation data for public water systems serving ZIP code 97037.

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

931

Population

13

Water Systems

35

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (13)

The Dalles, City Of

All resolved
Surface water 13,010 people served
12 violations (5yr) · All resolved
Lead tested: 0.8 ppb (limit: 15 ppb)

Maupin, City Of

1 health-based
Groundwater 420 people served
15 violations (5yr) · 1 health-based
Lead tested: 1 ppb (limit: 15 ppb)

Maupin School Dist 84

Groundwater 172 people served
0 violations

Usfs Oak Fork Campground

Groundwater 165 people served
0 violations

Wasco County Uhs Dist 1

Surface water 150 people served
0 violations

Pine Grove Water Dist (Wasco)

1 health-based
Groundwater 140 people served
7 violations (5yr) · 1 health-based · All resolved
Lead tested: 1.9 ppb (limit: 15 ppb)

Usfs Joe Graham Campground

Surface water 78 people served
0 violations

Blm Beavertail Rec North Well

Groundwater 75 people served
1 violation (5yr)

East Maupin Water System

Groundwater 70 people served
0 violations

Walters' Corner

Groundwater 60 people served
0 violations

Pine Grove Tavern

Groundwater 50 people served
0 violations

Usfs Knebal Cg

Groundwater 40 people served
0 violations

Xpine Grove Tavern

Groundwater 30 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

7 violations
All resolved
Groundwater RuleMonitoring
6 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
All resolved
Public NoticeMonitoring
2 violations
Has active
TTHMMonitoring
1 violation
All resolved
Gross Alpha, Excl. Radon and UMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
Combined Radium (-226 and -228)Monitoring
1 violation
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
1 violation
All resolved
Surface Water Treatment RuleMonitoring
1 violation
All resolved
E. COLIMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1.9 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

The Dalles (97037) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 35.

Fewer violations 86th 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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