Water Quality in Olympia, WA (98501)

EPA violation data for public water systems serving ZIP code 98501.

Past Health-Based Violations

5 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 19 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.

48,067

Population

52

Water Systems

24

Violations (5yr)

5

Health-Based

Location

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Water Systems Serving This Area (52)

Olympia City Of

All resolved
Groundwater 113,584 people served
1 violation (5yr) · All resolved

Lacey Water Department

Groundwater 103,755 people served
0 violations

Tumwater City Of

Groundwater 66,373 people served
0 violations

Yelm City Of

Groundwater 16,633 people served
0 violations
Lead tested: 1.9 ppb (limit: 15 ppb)

Woodsmuir Water Corp

Groundwater 1,200 people served
0 violations

Trails End Utility

Groundwater 1,096 people served
0 violations

Spar Restaurant, The

Groundwater 700 people served
0 violations

Mcneil Island Water

5 health-based
Groundwater 692 people served
5 violations (5yr) · 5 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Lakes Elementary

Groundwater 600 people served
0 violations

Rochester Dairy Queen

Groundwater 504 people served
0 violations

Spar Restaurant

All resolved
Groundwater 474 people served
1 violation (5yr) · All resolved

Bethel Water Co

All resolved
Groundwater 270 people served
1 violation (5yr) · All resolved

Union Food Mart

All resolved
Groundwater 255 people served
1 violation (5yr) · All resolved

Delridge Water

Purchased groundwater 240 people served
0 violations

Bethel Christian Center

Groundwater 218 people served
0 violations

Riverside Park

Groundwater 215 people served
0 violations

Johnson Glen

All resolved
Groundwater 200 people served
2 violations (5yr) · All resolved

Mountain Valley Water System

All resolved
Groundwater 126 people served
1 violation (5yr) · All resolved

Spanaway Village Water System

All resolved
Groundwater 125 people served
1 violation (5yr) · All resolved

Lakeland Manor

Groundwater 122 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb)

Detrays Mobile Home Park

Groundwater 120 people served
0 violations

Maple Manor Mobile Home Park

Groundwater 120 people served
0 violations

Lathrop Industrial Park

Groundwater 103 people served
0 violations

Odd Fellows Puget Beach Park

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved

B And B Market

Purchased groundwater 100 people served
0 violations

North Offut Lake Wtr Service

Groundwater 97 people served
0 violations
Lead tested: 0.7 ppb (limit: 15 ppb)

Chambers Creek Town Homes

Groundwater 78 people served
0 violations

Summit Park Improvement Co

Groundwater 69 people served
0 violations

Shannon Village

Groundwater 69 people served
0 violations

Zebisrael

All resolved
Groundwater 60 people served
2 violations (5yr) · All resolved

Ch2o

Groundwater 51 people served
0 violations

Evergreen Grove Trailer Park

Groundwater 40 people served
0 violations

Oak Duplexes

Groundwater 40 people served
0 violations

Eld Inlet Community Water Assn

Groundwater 40 people served
0 violations

Village Green Mobile Park

Groundwater 36 people served
0 violations

Olympia Airport

Groundwater 35 people served
0 violations

Twelfth St Water Service

Groundwater 35 people served
0 violations

Huston M Water

Groundwater 30 people served
0 violations

Smarty Martys

All resolved
Groundwater 29 people served
8 violations (5yr) · All resolved

Conger & Division Water Co

Groundwater 26 people served
0 violations

Laurel Development Corp

Groundwater 26 people served
0 violations

Rich'S Pacific Exxon Well

Groundwater 25 people served
0 violations

Billing Subdivision

Groundwater 25 people served
0 violations

Ninth Street Water Ext

Groundwater 25 people served
0 violations

Paradise Cove Club, Inc. Wtr Sys

Groundwater 25 people served
0 violations

Grace Community Covenant Churc

Groundwater 25 people served
0 violations

Kinwood Mobile Home Park

Groundwater 25 people served
0 violations

Herter'S Water System

Groundwater 25 people served
0 violations

Craig Water Supply

Groundwater 18 people served
0 violations

Littlerock United Methodist Church

Groundwater 11 people served
0 violations

White House Water System

Groundwater 2 people served
0 violations

Stillwater Mobile Home Park Ws

Groundwater 1 people served
0 violations

Contaminants Found

Surface Water Treatment RuleHealth-Based
5 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

12 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

4 violations
All resolved
NitrateMonitoring

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

3 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Olympia (98501) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 24.

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.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 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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