Hardness
Very Hard
194.5 PPM · 11.4 GPG
Local water dashboard
Official source aggregationWater quality in Benton, MO 63736
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Scott County.
1 active health-based violation
- Primary matched system
- Benton Pws
- Source water
- Groundwater
- County
- Scott County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0.0034 mg/L
23% of action level
Utility match
3 systems
Serves 885 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
194.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
194.5
mg/L as CaCO₃ equivalent
Grains per gallon
11.4
1 GPG ≈ 17.1 PPM
What this means at home
At 194.5 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
32
Nearest site
11.7 mi
Observation range
Apr 27, 2016–Jul 9, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: T27N R13E S7 001 (Well).USGS source documentation ↗
Regional context
Is 63736 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Benton median
195 PPM
About the same1 indexed ZIP readings · Range 194.5–194.5 PPM
Missouri median
236 PPM
41 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)
0.0034 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 0.0034
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 69
- Health-based
- 1
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Nitrate-Nitrite | MO4031614 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Lead and Copper Rule | MO4031614 | Unaddressed | Dec 30, 2025 |
| Public Notice | MO4031614 | Unaddressed | Nov 27, 2025 |
| Public Notice | MO4031614 | Unaddressed | Nov 1, 2025 |
| Public Notice | MO4031614 | Unaddressed | Oct 1, 2025 |
| Public Notice | MO4031614 | Unaddressed | Aug 28, 2025 |
| Public Notice | MO4031614 | Unaddressed | Aug 15, 2025 |
| Groundwater Rule | MO4031614 | Unaddressed | Aug 5, 2025 |
| Public Notice | MO4031614 | Unaddressed | Jul 31, 2025 |
| Public Notice | MO4031614 | Unaddressed | Jul 3, 2025 |
| Consumer Confidence Rule | MO4031614 | Unaddressed | Jul 1, 2025 |
| Public Notice | MO4031614 | Unaddressed | May 31, 2025 |
| Public Notice | MO4031614 | Unaddressed | May 18, 2025 |
| Public Notice | MO4031614 | Unaddressed | May 1, 2025 |
| Public Notice | MO4031614 | Unaddressed | Mar 27, 2025 |
| Public Notice | MO4031614 | Unaddressed | Mar 5, 2025 |
| Public Notice | MO4031614 | Unaddressed | Feb 26, 2025 |
| Public Notice | MO4031614 | Unaddressed | Jan 30, 2025 |
| Public Notice | MO4031614 | Unaddressed | Dec 28, 2024 |
| Public Notice | MO4031614 | Unaddressed | Dec 14, 2024 |
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 Benton ZIP 63736 using 194.5 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
194.5 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 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 Benton
Is tap water safe in Benton?+
EPA ECHO reports 1 active health-based violation among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
How hard is the water?+
Nearby USGS observations produce an estimate of 194.5 PPM, or 11.4 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 194.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.