Hardness
Moderately Hard
111.5 PPM · 6.5 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 Portage County.
At a glance
EPA quarter 2026Q2
Hardness
Moderately Hard
111.5 PPM · 6.5 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0 mg/L
0% of action level
Utility match
1 system
Serves 15,852 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
111.5 PPM
Parts per million
111.5
mg/L as CaCO₃ equivalent
Grains per gallon
6.5
1 GPG ≈ 17.1 PPM
What this means at home
At 111.5 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
40
Nearest site
15.9 mi
Observation range
Feb 1, 2016–Jun 15, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Cuyahoga River at Independence OH (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.
Aurora median
112 PPM
About the same1 indexed ZIP readings · Range 111.5–111.5 PPM
Ohio median
226 PPM
114 PPM lower162 indexed ZIP readings · Range 77.2–387 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 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
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | OH6789112 | Resolved | May 17, 2023through Sep 22, 2023 |
| Total Haloacetic Acids (HAA5) | OH6789112 | Resolved | Jan 1, 2022through Mar 31, 2022 |
| Total Haloacetic Acids (HAA5) | OH6789112 | Resolved | Apr 1, 2021through Jun 2, 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 Aurora ZIP 44202 using 111.5 PPM nearby hardness and 1 reported measurement benchmarks.
No urgent match
This profile does not trigger a treatment recommendation. Test at the tap before investing in equipment.
Affiliate 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 111.5 PPM, or 6.5 grains per gallon, classified as moderately hard. This is not a household tap measurement.
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.