Water Quality in Troy, MI (48033)

EPA violation data for public water systems serving ZIP code 48033.

Past Health-Based Violations

2 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 26 monitoring/reporting violations.

More violations than 84% of US ZIP codes.

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

17,277

Population

25

Water Systems

28

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (25)

Troy

Purchased surface water 85,854 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Rochester Hills

Purchased surface water 74,000 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb)

Waterford Township

1 health-based
Groundwater 73,441 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Southfield

All resolved
Purchased surface water 71,739 people served
4 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Abbott Middle School

Groundwater 716 people served
0 violations

Green Elementary

Groundwater 700 people served
0 violations

Doherty Elementary

Groundwater 570 people served
0 violations

Essco Square

Groundwater 500 people served
0 violations

Coachmans Cove

Groundwater 388 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Walnut Lake Elementary

Groundwater 358 people served
0 violations

W Bloomfield Plaza

Groundwater 350 people served
0 violations

Orchard Lake Palace Inc

Groundwater 350 people served
0 violations

Knollwood Country Club

Groundwater 300 people served
0 violations

Lake Michigan Heights

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

Big Boy Restaurant Affiliates, Llc

1 health-based
Groundwater 200 people served
20 violations (5yr) · 1 health-based · All resolved

El Nibble Nook

Groundwater 100 people served
0 violations

Drake House

Groundwater 60 people served
0 violations

West Bloomfield United Meth

Groundwater 60 people served
0 violations

W Bloomfield Library

Groundwater 60 people served
0 violations

Apple Tree Nursery

Groundwater 40 people served
0 violations

City Of Orchard Lake

Groundwater 40 people served
0 violations

Portamag

Groundwater 37 people served
0 violations

Jensen

Groundwater 35 people served
0 violations

Shingle Lake Park

Groundwater 30 people served
0 violations

Point Of The Woods

Groundwater 10 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

20 violations
All resolved
Lead and Copper RuleHealth-Based

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

2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved
TTHMMonitoring
1 violation
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
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Troy (48033) has more violations than 84% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 28.

Fewer violations 84th 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

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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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