Hardness
Very Hard
291 PPM · 17 GPG
Local water dashboard
Official source aggregationWater quality in Conway Springs, KS 67031
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Sumner County.
1 reported benchmark flag
- Primary matched system
- Sumner Co Rwd 5
- Source water
- Groundwater
- County
- Sumner 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 mg/L
0% of action level
Utility match
2 systems
Serves 1,429 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
291 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
291
mg/L as CaCO₃ equivalent
Grains per gallon
17
1 GPG ≈ 17.1 PPM
What this means at home
At 291 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
115
Nearest site
24.9 mi
Observation range
Mar 29, 2016–Jul 16, 2018
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 31S 02E 02BABA01 (Well).USGS source documentation ↗
Regional context
Is 67031 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Conway Springs median
291 PPM
About the same1 indexed ZIP readings · Range 291–291 PPM
Kansas median
289 PPM
About the same540 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 mg/L
Reported Dec 31, 2024
Copper (CU90)
1.6 mg/L
Reported Dec 31, 2015
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
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.6
EPA limit 1.3
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 10
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | KS2019101 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| Chlorine | KS2019101 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | KS2019101 | Unaddressed | Jul 2, 2025 |
| TTHM | KS2019101 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Total Haloacetic Acids (HAA5) | KS2019101 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Public Notice | KS2019118 | Resolved | Nov 2, 2023through Feb 23, 2024 |
| Public Notice | KS2019118 | Resolved | Oct 27, 2023through Feb 23, 2024 |
| Lead and Copper Rule | KS2019118 | Unaddressed | Oct 1, 2022 |
| TTHM | KS2019118 | Resolved | Aug 1, 2021through Jul 31, 2022 |
| Total Haloacetic Acids (HAA5) | KS2019118 | Resolved | Aug 1, 2021through Jul 31, 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 Conway Springs ZIP 67031 using 291 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
291 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
Copper (90th percentile) 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 Conway Springs
Is tap water safe in Conway Springs?+
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 291 PPM, or 17 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 291 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.