PlainWater

Oakland County, Michigan

Water Systems
742
Population Served
1,147,613
Total Violations
21,952
4,092 health-based
PFAS Detected
10
of 40 tested

Violation Analysis

86.3%
Systems with Violations
29.6
Avg Violations per System
18.6%
Health-Based Violations

Water Source Types

SW
33 systems (4%)
GW
17 systems (2%)

PFAS Contamination

40
Systems Tested
10
PFAS Detected
25.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Oakland Michigan water systems by violation status, EPA SDWIS records.

No violations on record (7) One or more violations (43)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Troy 85,854 8 Clean
Rochester Hills 74,000 6 Clean
Waterford Township 73,441 34 Detected
Southfield 71,739 17 Clean
Pontiac 63,600 28 Detected
Royal Oak, City Of 57,236 13 Clean
Farmington Hills, City Of 56,823 0 Clean
Novi, City Of 56,780 0 Clean
West Bloomfield Township 49,479 14 Clean
Bloomfield Township 41,070 0 Clean
Orion Township 33,000 8 Clean
Madison Heights 29,694 24 Clean
Oak Park 29,654 2 Detected
Ferndale 22,105 12 Clean
Auburn Hills 21,412 16 Detected
Birmingham 20,472 20 Detected
Commerce Township 19,811 0 Clean
Hazel Park 16,400 0 Clean
Berkley 14,970 5 Clean
Wixom, City Of 13,928 7 Clean
Clawson 11,825 21 Clean
Independence Township 11,790 36 Detected
Farmington, City Of 11,597 6 Clean
South Lyon, City Of 11,055 8 Detected
Beverly Hills 10,451 16 Clean
Oxford Township 10,090 16 Clean
Lyon Township 9,390 11 Clean
Holly, Village Of 8,557 26 Clean
Rochester 7,130 9 Clean
Milford, Village Of 6,366 12 Clean
Huntington Woods 6,200 15 Clean
White Lake Township 5,799 39 Detected
Gm Proving Grounds Well 5, 7, 8, 9 5,500 11 Clean
Walled Lake, City Of 5,452 10 Clean
Rochester East 5,100 8 Clean
Southwest Oakland Township 4,909 0 Clean
Lathrup Village 4,075 20 Clean
Highland Township 3,786 11 Clean
Bloomfield Hills 3,540 0 Clean
Oxford, Village Of 3,540 15 Clean
Kensington Water Park 3,325 13 -
Springs/Portsmouth Apartments 3,200 31 -
Lake Orion, Village Of 2,973 32 -
Pleasant Ridge 2,872 16 -
Keego Harbor, City Of 2,733 4 -
Highland Greens Estates 2,268 20 -
Orchard Lake Village 2,194 4 -
Sylvan Lake 2,155 48 -
Royal Oak Township 1,864 2 -
Southeast Oakland Township 1,859 5 -

Other Counties in Michigan

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Oakland County?
Oakland County has 21,952 total drinking water violations across 742 water systems, of which 4,092 are health-based violations. 86.3% of systems have at least one violation.
How many people get water from Oakland County systems?
Water systems in Oakland County serve approximately 1,147,613 people through 742 public water systems.
Has PFAS been detected in Oakland County water?
Of 40 water systems tested for PFAS in Oakland County, 10 had PFAS detected (25.0% detection rate).
What types of water sources supply Oakland County?
Water systems in Oakland County use SW (33 systems), GW (17 systems) as their primary water sources.
Are health-based violations serious?
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 18.6% of Oakland County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.