Water Quality in Merrimac, WI (53561)

EPA violation data for public water systems serving ZIP code 53561.

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

1,872

Population

18

Water Systems

3

Violations (5yr)

1

Health-Based

Location

Loading map...

Water Systems Serving This Area (18)

Devils Head Resort

Groundwater 535 people served
0 violations
Lead tested: 2.5 ppb (limit: 15 ppb)

Merrimac Waterworks

1 health-based
Groundwater 440 people served
2 violations (5yr) · 1 health-based
Lead tested: 1.1 ppb (limit: 15 ppb)

Devils Head Resort Highrise

Groundwater 205 people served
0 violations

Merry Macs Camp N - Store

Groundwater 103 people served
0 violations

Merry Macs Camp N Campground Well 2

Groundwater 103 people served
0 violations

Merry Macs Camp N Campground Wells

Groundwater 103 people served
0 violations

Merry Macs Camp N - Pool

Groundwater 103 people served
0 violations

Summer Oaks Condo Assoc

Groundwater 70 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Merry Macs Camp N Expansion Well

Groundwater 60 people served
0 violations

Don Larson Chevrolet Buick Gmc

Groundwater 60 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Red Barn Camping Maintenance

Groundwater 60 people served
0 violations

Charlies Lakeside Country Store

Groundwater 53 people served
0 violations

Merrimac Estates Mhp

All resolved
Groundwater 37 people served
1 violation (5yr) · All resolved
Lead tested: 0.54 ppb (limit: 15 ppb)

Red Barn Camping

Groundwater 25 people served
0 violations

Devils Head-Snow Making Well

Groundwater 25 people served
0 violations

Brianwood Condominiums

Groundwater 25 people served
0 violations

Glacier Ridge Condominiums

Groundwater 25 people served
0 violations

Moon Valley Resort Old Well

Groundwater 25 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
1 violation
All resolved
Public NoticeMonitoring
1 violation
Has active
Lead and Copper RuleMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2.5 ppb measured Action level: 15 ppb

Sampled: Jun 2025

How Does This Compare?

Merrimac (53561) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3.

Fewer violations 43th 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.

Nearby ZIP Codes

Check Another ZIP Code