Hardness
Very Hard
234 PPM · 13.7 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Wayne County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
234 PPM · 13.7 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0163 mg/L
109% of action level
Utility match
1 system
Serves 63,409 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
234 PPM
Parts per million
234
mg/L as CaCO₃ equivalent
Grains per gallon
13.7
1 GPG ≈ 17.1 PPM
What this means at home
At 234 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.
USGS sites used
4
Nearest site
29.6 mi
Observation range
Jan 7, 2016–Jun 9, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: CLINTON RIVER AT STERLING HEIGHTS, MI (Stream).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Taylor median
234 PPM
About the same1 indexed ZIP readings · Range 234–234 PPM
Michigan median
283 PPM
49 PPM lower504 indexed ZIP readings · Range 41.3–459.5 PPM
EPA benchmark screen
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
0.0163 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0163
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MI0006545 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHM | MI0006545 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Lead and Copper RuleHealth-based | MI0006545 | Resolved | Nov 30, 2025through Feb 2, 2026 |
| Public Notice | MI0006545 | Resolved | Aug 26, 2023through Oct 18, 2023 |
| Consumer Confidence Rule | MI0006545 | Resolved | Jul 1, 2023through Dec 11, 2023 |
| Revised Total Coliform Rule | MI0006545 | Resolved | Aug 11, 2022through Aug 18, 2022 |
| Consumer Confidence Rule | MI0006545 | Resolved | Jul 1, 2022through Sep 16, 2022 |
| Consumer Confidence Rule | MI0006545 | Resolved | Jul 1, 2021through Nov 30, 2021 |
| Revised Total Coliform Rule | MI0006545 | Resolved | Jul 1, 2021through Jul 31, 2021 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Matched to Taylor ZIP 48180 using 234 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
234 PPM is 2× the high-hardness trigger used by this matcher.
Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.
Compare whole-house systemsDrinking water protection
Lead (90th percentile) has a measured benchmark flag or active health-based SDWIS record in this profile.
A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.
Explore under-sink filtrationAffiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.
Frequently asked
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
Nearby USGS observations produce an estimate of 234 PPM, or 13.7 grains per gallon, classified as very hard. This is not a household tap measurement.
At 234 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.