Hardness
Very Hard
245.5 PPM · 14.4 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 Bates County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
245.5 PPM · 14.4 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 190 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
245.5 PPM
Parts per million
245.5
mg/L as CaCO₃ equivalent
Grains per gallon
14.4
1 GPG ≈ 17.1 PPM
What this means at home
At 245.5 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
18
Nearest site
18.7 mi
Observation range
Jan 11, 2016–May 12, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: South Grand River at Archie, MO (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.
Amoret median
246 PPM
About the same1 indexed ZIP readings · Range 245.5–245.5 PPM
Missouri median
236 PPM
10 PPM higher556 indexed ZIP readings · Range 38.3–483 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
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0
EPA limit 0.015
Measured in UG/L
Local 89
EPA limit 0.08
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHMHealth-basedReported 89 UG/L · MCL 0.08 | MO1010014 | Archived | Jan 1, 2026through Mar 31, 2026 |
| LEAD AND COPPER RULE REVISIONS | MO1010014 | Resolved | Oct 17, 2024through Feb 20, 2025 |
| TTHMHealth-basedReported 87 UG/L · MCL 0.08 | MO1010014 | Resolved | Oct 1, 2023through Dec 31, 2023 |
| TTHMHealth-basedReported 83 UG/L · MCL 0.08 | MO1010014 | Resolved | Jul 1, 2023through Sep 30, 2023 |
| Public Notice | MO1010014 | Resolved | Oct 18, 2021through Oct 1, 2022 |
| TTHMHealth-basedReported 90 UG/L · MCL 0.08 | MO1010014 | Resolved | Apr 1, 2021through Jun 30, 2021 |
| TTHMHealth-basedReported 89 UG/L · MCL 0.08 | MO1010014 | Resolved | Jan 1, 2021through Mar 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 Amoret ZIP 64722 using 245.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
245.5 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
TTHM 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 245.5 PPM, or 14.4 grains per gallon, classified as very hard. This is not a household tap measurement.
At 245.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.