Hardness
Very Hard
266.5 PPM · 15.6 GPG
Local water dashboard
Official source aggregationWater quality in Deerfield, KS 67838
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Kearny County.
1 reported benchmark flag
- Primary matched system
- Deerfield, City Of
- Source water
- Groundwater
- County
- Kearny 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
0.004 mg/L
27% of action level
Utility match
1 system
Serves 692 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
266.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
266.5
mg/L as CaCO₃ equivalent
Grains per gallon
15.6
1 GPG ≈ 17.1 PPM
What this means at home
At 266.5 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
8
Nearest site
29.5 mi
Observation range
Aug 6, 2018–Jun 9, 2021
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 23S 30W 14BBBC01 COS-1188 (Well).USGS source documentation ↗
Regional context
Is 67838 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Deerfield median
267 PPM
About the same1 indexed ZIP readings · Range 266.5–266.5 PPM
Kansas median
289 PPM
22 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 pass1 fail
Lead (PB90)
0.004 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.
Lead (90th percentile)
Measured in mg/L
Local 0.004
EPA limit 0.015
Combined Uranium
Measured in UG/L
Local 31
EPA limit 30
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 11
- Health-based
- 2
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | KS2009302 | Resolved | Jan 1, 2026through Feb 19, 2026 |
| Revised Total Coliform Rule | KS2009302 | Archived | Jan 1, 2026through Jan 31, 2026 |
| Chlorine | KS2009302 | Archived | Jan 1, 2026through Jan 31, 2026 |
| LEAD AND COPPER RULE REVISIONS | KS2009302 | Unaddressed | Jul 2, 2025 |
| Chlorine | KS2009302 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| Revised Total Coliform Rule | KS2009302 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| Revised Total Coliform Rule | KS2009302 | Resolved | Apr 1, 2024through Apr 30, 2024 |
| Chlorine | KS2009302 | Resolved | Apr 1, 2024through Apr 30, 2024 |
| Combined UraniumHealth-basedReported 31 UG/L · MCL 30 | KS2009302 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| Public Notice | KS2009302 | Resolved | Dec 31, 2023through Dec 11, 2023 |
| Combined UraniumHealth-basedReported 31 UG/L · MCL 30 | KS2009302 | Resolved | Jul 1, 2023through Sep 30, 2023 |
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 Deerfield ZIP 67838 using 266.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
266.5 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
Under-Sink Reverse Osmosis System
Combined Uranium 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
Water questions for Deerfield
Is tap water safe in Deerfield?+
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 266.5 PPM, or 15.6 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 266.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.