Water Quality in Olympia, WA (98512)

EPA violation data for public water systems serving ZIP code 98512.

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

31,864

Population

65

Water Systems

55

Violations (5yr)

10

Health-Based

Location

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Water Systems Serving This Area (65)

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)

Grand Mound

Groundwater 3,764 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Millersylvania State Park

All resolved
Groundwater 3,456 people served
1 violation (5yr) · All resolved
Lead tested: 5.3 ppb (limit: 15 ppb)

Seaquest State Park

Purchased groundwater 3,003 people served
0 violations

Boston Harbor

2 health-based
Groundwater 1,153 people served
2 violations (5yr) · 2 health-based · All resolved

Tolmie State Park

Groundwater 683 people served
0 violations

East Olympia Elementary School

Groundwater 593 people served
0 violations

Prairie Elementary

Groundwater 500 people served
0 violations

Black Lake Bible Camp & Conf Ctr

All resolved
Groundwater 477 people served
9 violations (5yr) · All resolved

Littlerock Elementary

Groundwater 463 people served
0 violations

Villa Grove

All resolved
Groundwater 442 people served
1 violation (5yr) · All resolved

Rainbow Falls State Park

Groundwater 321 people served
0 violations

Tamoshan

8 health-based
Groundwater 260 people served
11 violations (5yr) · 8 health-based · All resolved

Black Lake Grocery

Groundwater 203 people served
0 violations

Klahanie Campground

Groundwater 200 people served
0 violations

Black Lake Water Co Llc

Groundwater 174 people served
0 violations

Falls View Campground

Groundwater 167 people served
0 violations

Coho Campground

All resolved
Groundwater 152 people served
4 violations (5yr) · All resolved

American Heritage Campgrounds

Groundwater 135 people served
0 violations

Olympia Campground

Groundwater 130 people served
0 violations

Klahowya Campground

Groundwater 129 people served
0 violations

Littlerock Community Fellowship

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

Span-A-Park Eagles

Purchased groundwater 120 people served
0 violations

Black Lake Acres

Groundwater 104 people served
0 violations
Lead tested: 1.9 ppb (limit: 15 ppb)

Frye Cove Park

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

Seal Rock Campground

All resolved
Groundwater 92 people served
1 violation (5yr) · All resolved

Shattuck 1

Groundwater 91 people served
0 violations

South Bay Grange No. 250

All resolved
Groundwater 89 people served
1 violation (5yr) · All resolved

Claudias Mobile Park Estates 47-100

Groundwater 85 people served
0 violations

Olympia Bible

All resolved
Groundwater 75 people served
2 violations (5yr) · All resolved

Claudias Mobile Park Estates 1-46

Groundwater 75 people served
0 violations

Haynes Acres Division 1

Groundwater 74 people served
5 violations (5yr)
Lead tested: 0.7 ppb (limit: 15 ppb) Copper tested: 1396 ppb (limit: 1300 ppb)

Brown Creek Campground Hp A

Groundwater 73 people served
0 violations

Black Lake Rv Park

Groundwater 72 people served
0 violations

Phoenix Rising School

Groundwater 66 people served
0 violations

Brown Creek Campground Hp B

All resolved
Groundwater 65 people served
1 violation (5yr) · All resolved

Brown Creek Campground Hp C

All resolved
Groundwater 65 people served
3 violations (5yr) · All resolved

Evergreen Sportsmens Club

All resolved
Groundwater 64 people served
1 violation (5yr) · All resolved

Lattins Country Cider Mill & Farm

Groundwater 61 people served
0 violations

Mackey, Stanley Water System

Groundwater 58 people served
0 violations

Littlerock Water Co

Groundwater 55 people served
0 violations

Big Creek Campground Olympic Nf

Groundwater 54 people served
0 violations

Dungeness Forks Campground

Groundwater 50 people served
0 violations

Layne Duplexes Ws

Groundwater 50 people served
0 violations

Ski View Estates

All resolved
Groundwater 47 people served
7 violations (5yr) · All resolved

Maytown Truck Stop

Groundwater 44 people served
0 violations

Mckenzie Road Baptist Church

Groundwater 43 people served
0 violations

Olympia Forestry Sciences Lab

Groundwater 40 people served
0 violations

Daniels Water

Groundwater 32 people served
0 violations

Olympic Structures

Groundwater 30 people served
0 violations

Valley Nut & Bolt

Groundwater 28 people served
0 violations

Pacific Powder Co.

Groundwater 28 people served
0 violations

Klipsun Waters

Groundwater 27 people served
0 violations

Lena Creek Campground Hp 1

Groundwater 25 people served
0 violations

Fir Creek Work Center

Groundwater 25 people served
0 violations

Collins Campground Ws

Groundwater 25 people served
0 violations

Satsop Work Center

All resolved
Groundwater 25 people served
3 violations (5yr) · All resolved

Country Park Water Association

Groundwater 25 people served
0 violations

Treasure River

Groundwater 24 people served
0 violations

Camp Klahanee

Groundwater 13 people served
0 violations

93rd Avenue Park West

Groundwater 10 people served
0 violations

Deep Lake Resort

Groundwater 8 people served
0 violations

Contaminants Found

Total Haloacetic Acids (HAA5)Health-Based
9 violations
All resolved
TTHMHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

31 violations
All resolved
NitrateMonitoring

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

7 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

4 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
0.7 ppb measured Action level: 15 ppb

Sampled: Jul 2024

Copper (Cu)

Exceeds limit
1396 ppb measured Action level: 1300 ppb

Sampled: Jan 2023

How Does This Compare?

Olympia (98512) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 55.

Fewer violations 92th 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.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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