Water Quality in Walla Walla, WA (99360)

EPA violation data for public water systems serving ZIP code 99360.

No Health-Based Violations

None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are116 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.

1,350

Population

11

Water Systems

116

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (11)

Walla Walla Water Division

All resolved
Surface water 42,959 people served
16 violations (5yr) · All resolved

College Place Water Dept

All resolved
Groundwater 8,147 people served
100 violations (5yr) · All resolved

French Town Hall

Groundwater 299 people served
0 violations

Seed House Saloon

Groundwater 80 people served
0 violations

Touchet Community Church

Groundwater 65 people served
0 violations

Alkali Flats Cafe

Groundwater 61 people served
0 violations

Touchet Grange

Groundwater 55 people served
0 violations

Joyces Cafe

Groundwater 25 people served
0 violations

Lowden Schoolhouse

Groundwater 18 people served
0 violations

Rasmussens Water System

Groundwater 3 people served
0 violations

Dunning Irrigation Supply

Groundwater 3 people served
0 violations

Contaminants Found

PicloramMonitoring
7 violations
All resolved
DinosebMonitoring
7 violations
All resolved
DalaponMonitoring
7 violations
All resolved
2,4,5-TPMonitoring
7 violations
All resolved
PentachlorophenolMonitoring
7 violations
All resolved
1,2-DichloroethaneMonitoring
4 violations
All resolved
Carbon tetrachlorideMonitoring
4 violations
All resolved
1,1,1-TrichloroethaneMonitoring
4 violations
All resolved
BenzeneMonitoring
4 violations
All resolved
DICHLOROMETHANEMonitoring
4 violations
All resolved
1,1,2-TrichloroethaneMonitoring
4 violations
All resolved
o-DichlorobenzeneMonitoring
4 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
4 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
4 violations
All resolved
EthylbenzeneMonitoring
4 violations
All resolved
TrichloroethyleneMonitoring
4 violations
All resolved
CHLOROBENZENEMonitoring
4 violations
All resolved
TolueneMonitoring
4 violations
All resolved
p-DichlorobenzeneMonitoring
4 violations
All resolved
1,2-DichloropropaneMonitoring
4 violations
All resolved
StyreneMonitoring
4 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
4 violations
All resolved
TetrachloroethyleneMonitoring
4 violations
All resolved
Vinyl chlorideMonitoring
4 violations
All resolved
1,1-DichloroethyleneMonitoring
4 violations
All resolved
NitrateMonitoring

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

1 violation
All resolved

How Does This Compare?

Walla Walla (99360) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 116, 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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