Water Quality in Beaverton, OR (97144)

EPA violation data for public water systems serving ZIP code 97144.

No Health-Based Violations

None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are120 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 97% of US ZIP codes.

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

66

Population

6

Water Systems

120

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (6)

Tualatin Valley Water District

Purchased surface water 224,600 people served
0 violations
Lead tested: 4.5 ppb (limit: 15 ppb)

Hillsboro, City Of

All resolved
Purchased surface water 92,632 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Beaverton, City Of

All resolved
Purchased surface water 88,045 people served
1 violation (5yr) · All resolved
Lead tested: 2.6 ppb (limit: 15 ppb)

Tigard, City Of

All resolved
Purchased surface water 62,500 people served
2 violations (5yr) · All resolved

Timber Water Association

Surface water 180 people served
116 violations (5yr)

Sunset Tunnel Cafe

Surface water 25 people served
0 violations

Contaminants Found

Interim Enhanced Surface Water Treatment RuleMonitoring
10 violations
All resolved
Surface Water Treatment RuleMonitoring
9 violations
All resolved
Lead and Copper RuleMonitoring

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

7 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

5 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
1,1-DichloroethyleneMonitoring
3 violations
All resolved
EthylbenzeneMonitoring
3 violations
All resolved
p-DichlorobenzeneMonitoring
3 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
3 violations
All resolved
1,1,1-TrichloroethaneMonitoring
3 violations
All resolved
1,1,2-TrichloroethaneMonitoring
3 violations
All resolved
DICHLOROMETHANEMonitoring
3 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
3 violations
All resolved
Vinyl chlorideMonitoring
3 violations
All resolved
1,2-DichloroethaneMonitoring
3 violations
All resolved
o-DichlorobenzeneMonitoring
3 violations
All resolved
TetrachloroethyleneMonitoring
3 violations
All resolved
CHLOROBENZENEMonitoring
3 violations
All resolved
StyreneMonitoring
3 violations
All resolved
Xylenes, TotalMonitoring
3 violations
All resolved
Carbon tetrachlorideMonitoring
3 violations
All resolved
TolueneMonitoring
3 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
3 violations
All resolved
1,2-DichloropropaneMonitoring
3 violations
All resolved
BenzeneMonitoring
3 violations
All resolved
TrichloroethyleneMonitoring
3 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
NitrateMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
4.5 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Beaverton (97144) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 120, most of which are monitoring/reporting issues.

Fewer violations 97th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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