Hardness
Very Hard
295.5 PPM · 17.3 GPG
Local water dashboard
Official source aggregationWater quality in Sylvia, KS 67581
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Reno County.
1 active health-based violation
- Primary matched system
- Sylvia, City Of
- Source water
- Groundwater
- County
- Reno 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
0.0031 mg/L
21% of action level
Utility match
1 system
Serves 210 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
295.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
295.5
mg/L as CaCO₃ equivalent
Grains per gallon
17.3
1 GPG ≈ 17.1 PPM
What this means at home
At 295.5 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
106
Nearest site
25.2 mi
Observation range
Mar 29, 2016–May 6, 2021
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 23S 06W 03AABA01 (Well).USGS source documentation ↗
Regional context
Is 67581 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Sylvia median
296 PPM
About the same1 indexed ZIP readings · Range 295.5–295.5 PPM
Kansas median
289 PPM
7 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)
0.0031 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.575 mg/L
Reported Dec 31, 2022
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0031
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.575
EPA limit 1.3
Nitrate
Measured in MG/L
Local 13
EPA limit 10
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 57
- Health-based
- 32
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| NitrateHealth-basedReported 13 MG/L · MCL 10 | KS2015502 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Revised Total Coliform Rule | KS2015502 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| Chlorine | KS2015502 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| NitrateHealth-basedReported 13 MG/L · MCL 10 | KS2015502 | Archived | Oct 1, 2025through Dec 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | KS2015502 | Unaddressed | Jul 2, 2025 |
| NitrateHealth-basedReported 11 MG/L · MCL 10 | KS2015502 | Archived | Jul 1, 2025through Sep 30, 2025 |
| NitrateHealth-basedReported 12 MG/L · MCL 10 | KS2015502 | Archived | Apr 1, 2025through Jun 30, 2025 |
| NitrateHealth-basedReported 14 MG/L · MCL 10 | KS2015502 | Archived | Jan 1, 2025through Mar 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | KS2015502 | Resolved | Oct 17, 2024through Mar 28, 2025 |
| NitrateHealth-basedReported 11 MG/L · MCL 10 | KS2015502 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Lead and Copper Rule | KS2015502 | Unaddressed | Oct 1, 2024 |
| Revised Total Coliform RuleHealth-based | KS2015502 | Unaddressed | Jul 16, 2024 |
| Chlorine | KS2015502 | Resolved | Jul 1, 2024through Jul 31, 2024 |
| Revised Total Coliform Rule | KS2015502 | Resolved | Jul 1, 2024through Jul 31, 2024 |
| NitrateHealth-basedReported 12 MG/L · MCL 10 | KS2015502 | Archived | Jul 1, 2024through Sep 30, 2024 |
| NitrateHealth-basedReported 14 MG/L · MCL 10 | KS2015502 | Archived | Apr 1, 2024through Jun 30, 2024 |
| NitrateHealth-basedReported 12 MG/L · MCL 10 | KS2015502 | Archived | Jan 1, 2024through Mar 31, 2024 |
| TTHM | KS2015502 | Resolved | Jan 1, 2024through Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | KS2015502 | Resolved | Jan 1, 2024through Dec 31, 2024 |
| NitrateHealth-basedReported 13 MG/L · MCL 10 | KS2015502 | Archived | Oct 1, 2023through Dec 31, 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 Sylvia ZIP 67581 using 295.5 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
295.5 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
Copper (90th percentile), Nitrate, Revised Total Coliform Rule 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 Sylvia
Is tap water safe in Sylvia?+
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 295.5 PPM, or 17.3 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 295.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.