Hardness
Very Hard
209 PPM · 12.2 GPG
Local water dashboard
Official source aggregationWater quality in Rogersville, MO 65742
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Greene County.
No active health-based violation reported
- Primary matched system
- Rogersville Pws
- Source water
- Groundwater
- County
- Greene County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0028 mg/L
19% of action level
Utility match
4 systems
Serves 5,602 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
209 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
209
mg/L as CaCO₃ equivalent
Grains per gallon
12.2
1 GPG ≈ 17.1 PPM
What this means at home
At 209 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
47
Nearest site
10.4 mi
Observation range
May 4, 2016–May 3, 2021
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: T27N R21W 26CDD (Well).USGS source documentation ↗
Regional context
Is 65742 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Rogersville median
209 PPM
About the same1 indexed ZIP readings · Range 209–209 PPM
Missouri median
236 PPM
27 PPM lower556 indexed ZIP readings · Range 38.3–483 PPM
EPA benchmark screen
Contaminant snapshot
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
1 pass
Lead (PB90)
0.0028 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.
Lead (90th percentile)
Measured in mg/L
Local 0.0028
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 21
- Health-based
- 1
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | MO5010699 | Resolved | Oct 17, 2024through Aug 4, 2025 |
| LEAD AND COPPER RULE REVISIONS | MO5036258 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | MO5048194 | Resolved | Oct 17, 2024through Nov 25, 2024 |
| Revised Total Coliform Rule | MO5010699 | Resolved | Oct 1, 2024through Oct 31, 2024 |
| Revised Total Coliform Rule | MO5010699 | Resolved | Sep 1, 2024through Sep 30, 2024 |
| Lead and Copper Rule | MO5036258 | Resolved | Dec 30, 2023through May 2, 2024 |
| Public Notice | MO5048194 | Resolved | Oct 1, 2023through Mar 22, 2024 |
| Revised Total Coliform Rule | MO5048194 | Resolved | Sep 1, 2023through Sep 30, 2023 |
| Consumer Confidence Rule | MO5048194 | Resolved | Jul 1, 2023through Jan 8, 2024 |
| Revised Total Coliform Rule | MO5048194 | Resolved | Aug 1, 2022through Aug 31, 2022 |
| Consumer Confidence Rule | MO5036258 | Resolved | Jul 1, 2022through Nov 30, 2022 |
| Groundwater RuleHealth-based | MO5010699 | Resolved | May 1, 2022through May 31, 2022 |
| E. COLI | MO5036258 | Unaddressed | Jan 1, 2022 |
| E. COLI | MO5036258 | Resolved | Nov 1, 2021through Nov 23, 2021 |
| Lead and Copper Rule | MO5036258 | Resolved | Oct 1, 2021through Jan 6, 2023 |
| Groundwater Rule | MO5010699 | Resolved | Aug 1, 2021through Aug 31, 2021 |
| Consumer Confidence Rule | MO5036258 | Resolved | Jul 1, 2021through Jan 6, 2022 |
| E. COLI | MO5036258 | Resolved | Jul 1, 2021through Dec 1, 2022 |
| Public Notice | MO5036258 | Addressed | Aug 31, 2016 |
| Public Notice | MO5036258 | Addressed | Jul 1, 2016 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Your personalized water action plan
Matched to Rogersville ZIP 65742 using 209 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
209 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 systemsAffiliate 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
Water questions for Rogersville
Is tap water safe in Rogersville?+
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.
How hard is the water?+
Nearby USGS observations produce an estimate of 209 PPM, or 12.2 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 209 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.