Water Quality in Troy, MI (48327)

EPA violation data for public water systems serving ZIP code 48327.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 31 monitoring/reporting violations.

More violations than 85% of US ZIP codes.

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

20,960

Population

21

Water Systems

32

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (21)

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)

Dnr Pontiac Lk R A Org Cmp

All resolved
Groundwater 250 people served
1 violation (5yr) · All resolved

Dnr Pontiac Lk R A-West Cmp

Groundwater 250 people served
0 violations

Union Lake Tap

All resolved
Groundwater 200 people served
1 violation (5yr) · All resolved

Dnr Pontiac Lk R A-Stable

Groundwater 200 people served
0 violations

Hoffman Farms Winery

Groundwater 100 people served
0 violations

Dnr Pontiac Lk R A-East Cmp

Groundwater 100 people served
0 violations

Acj Real Estate Llc Dba: Oasis Health Fo

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

Oakland Co. Airport-Sw

Groundwater 50 people served
0 violations

Hess-Hathaway Park

Groundwater 50 people served
0 violations

Dnr Pontiac Lk R A-Staging Are

All resolved
Groundwater 30 people served
2 violations (5yr) · All resolved

Oakland Intl Airport Terminal

Groundwater 25 people served
0 violations

Werner/Highland Office Bldg

Groundwater 25 people served
0 violations

Mark A. Smith, D.D.S.

Groundwater 25 people served
0 violations

Credit Union One

Groundwater 25 people served
0 violations

Dnr Access Site-Orchard Lake

Groundwater 25 people served
0 violations

Cascade Office Building

Groundwater 25 people served
0 violations

Community Center

Groundwater 25 people served
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

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

1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

5 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved
TTHMMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
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 (48327) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 32.

Fewer violations 85th 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.

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