Hardness
Hard
170.5 PPM · 10 GPG
Local water dashboard
Official source aggregationWater quality in Neodesha, KS 66757
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Wilson County.
3 reported benchmark flags
- Primary matched system
- Neodesha, City Of
- Source water
- Surface water
- County
- Wilson 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
0.0034 mg/L
23% of action level
Utility match
6 systems
Serves 2,246 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
170.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
170.5
mg/L as CaCO₃ equivalent
Grains per gallon
10
1 GPG ≈ 17.1 PPM
What this means at home
At 170.5 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
4
Nearest site
62.8 mi
Observation range
Jan 27, 2016–Jul 16, 2024
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Center Creek near Smithfield, MO (Stream).USGS source documentation ↗
Regional context
Is 66757 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Neodesha median
171 PPM
About the same1 indexed ZIP readings · Range 170.5–170.5 PPM
Kansas median
289 PPM
118 PPM lower540 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 pass3 fail
Lead (PB90)
0.0034 mg/L
Reported Dec 31, 2025
Copper (CU90)
10 mg/L
Reported Jun 30, 2009
Numerical coverage
4 comparable results
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
Copper (90th percentile)
Measured in mg/L
Local 10
EPA limit 1.3
Total Haloacetic Acids (HAA5)
Measured in MG/L
Local 0.066
EPA limit 0.06
TTHM
Measured in MG/L
Local 0.084
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 41
- Health-based
- 9
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Total Haloacetic Acids (HAA5)Health-basedReported 0.066 MG/L · MCL 0.06 | KS2020501 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Revised Total Coliform Rule | KS2020501 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Chlorine | KS2020501 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Chlorine | KS2020524 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | KS2020524 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | KS2020505 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Chlorine | KS2020505 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.064 MG/L · MCL 0.06 | KS2020501 | Archived | Oct 1, 2025through Dec 31, 2025 |
| TTHM | KS2020501 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5) | KS2020501 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.066 MG/L · MCL 0.06 | KS2020501 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.063 MG/L · MCL 0.06 | KS2020501 | Archived | Apr 1, 2025through Jun 30, 2025 |
| Revised Total Coliform Rule | KS2020501 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| Chlorine | KS2020501 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.111 MG/L · MCL 0.06 | KS2020501 | Archived | Jan 1, 2025through Mar 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | KS2020501 | Unaddressed | Oct 17, 2024 |
| Total Haloacetic Acids (HAA5) | KS2020501 | Unaddressed | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.115 MG/L · MCL 0.06 | KS2020501 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | KS2020501 | Unaddressed | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.106 MG/L · MCL 0.06 | KS2020501 | Archived | Jul 1, 2024through Sep 30, 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 Neodesha ZIP 66757 using 170.5 PPM nearby hardness and 4 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
170.5 PPM is 1× 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), Total Haloacetic Acids (HAA5), TTHM 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 Neodesha
Is tap water safe in Neodesha?+
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 170.5 PPM, or 10 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 170.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.