Hardness
Very Hard
339.5 PPM · 19.9 GPG
Local water dashboard
Official source aggregationWater quality in Lebanon, KS 66952
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Smith County.
2 reported benchmark flags
- Primary matched system
- Lebanon, City Of
- Source water
- Groundwater
- County
- Smith 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
0.0036 mg/L
24% of action level
Utility match
1 system
Serves 182 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
339.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
339.5
mg/L as CaCO₃ equivalent
Grains per gallon
19.9
1 GPG ≈ 17.1 PPM
What this means at home
At 339.5 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
28
Nearest site
23.2 mi
Observation range
Jul 30, 2018–Sep 9, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 06S 11W 28ACDD01 (Well).USGS source documentation ↗
Regional context
Is 66952 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Lebanon median
340 PPM
About the same1 indexed ZIP readings · Range 339.5–339.5 PPM
Kansas median
289 PPM
51 PPM higher540 indexed ZIP readings · Range 72.2–707 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 pass2 fail
Lead (PB90)
0.0036 mg/L
Reported Dec 31, 2024
Copper (CU90)
1.6 mg/L
Reported Dec 31, 2007
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0036
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.6
EPA limit 1.3
Nitrate
Measured in MG/L
Local 15
EPA limit 10
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 3
- Health-based
- 1
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| NitrateHealth-basedReported 15 MG/L · MCL 10 | KS2018304 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Lead and Copper Rule | KS2018304 | Resolved | Dec 30, 2021through Jun 2, 2022 |
| Lead and Copper Rule | KS2018304 | Resolved | Mar 31, 2021through Jun 1, 2022 |
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 Lebanon ZIP 66952 using 339.5 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
339.5 PPM is 3× 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
Under-Sink Reverse Osmosis System
Copper (90th percentile), Nitrate have 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
Water questions for Lebanon
Is tap water safe in Lebanon?+
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 339.5 PPM, or 19.9 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 339.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.