Hardness
Hard
168 PPM · 9.8 GPG
Local water dashboard
Official source aggregationWater quality in Springfield, MO 65801
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Greene County.
No active health-based violation reported
- Primary matched system
- City Utilities Of Springfield
- Source water
- Surface water + Groundwater
- County
- Greene 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
0.0051 mg/L
34% of action level
Utility match
10 systems
Serves 210,898 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
168 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
168
mg/L as CaCO₃ equivalent
Grains per gallon
9.8
1 GPG ≈ 17.1 PPM
What this means at home
At 168 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
25
Nearest site
6.4 mi
Observation range
Jan 6, 2016–Apr 21, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Wilson Creek near Brookline, MO (Stream).USGS source documentation ↗
Regional context
Is 65801 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Springfield median
168 PPM
About the same9 indexed ZIP readings · Range 165–182 PPM
Missouri median
236 PPM
68 PPM lower556 indexed ZIP readings · Range 38.3–483 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 pass
Lead (PB90)
0.0051 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0051
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 27
- Health-based
- 2
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | MO5010754 | Unaddressed | Dec 30, 2025 |
| Lead and Copper Rule | MO5048264 | Unaddressed | Dec 30, 2025 |
| Lead and Copper Rule | MO5036168 | Unaddressed | Dec 30, 2025 |
| Lead and Copper Rule | MO5048178 | Unaddressed | Dec 30, 2025 |
| LEAD AND COPPER RULE REVISIONS | MO5036168 | Unaddressed | Jul 2, 2025 |
| Revised Total Coliform RuleHealth-based | MO5036304 | Resolved | Feb 12, 2025through Nov 20, 2025 |
| E. COLI | MO5048231 | Unaddressed | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | MO5048264 | Resolved | Oct 17, 2024through Jan 21, 2026 |
| LEAD AND COPPER RULE REVISIONS | MO5048231 | Resolved | Oct 17, 2024through Dec 27, 2024 |
| LEAD AND COPPER RULE REVISIONS | MO5036192 | Resolved | Oct 17, 2024through Nov 29, 2025 |
| LEAD AND COPPER RULE REVISIONS | MO5036304 | Resolved | Oct 17, 2024through Apr 5, 2025 |
| LEAD AND COPPER RULE REVISIONS | MO5048178 | Resolved | Oct 17, 2024through Dec 16, 2024 |
| Consumer Confidence Rule | MO5036192 | Resolved | Jul 1, 2024through Aug 5, 2024 |
| Revised Total Coliform Rule | MO5036168 | Resolved | Jan 1, 2024through Jan 31, 2024 |
| Revised Total Coliform Rule | MO5036168 | Resolved | Dec 1, 2023through Dec 31, 2023 |
| Public Notice | MO5048013 | Resolved | Aug 9, 2023through Dec 1, 2023 |
| Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-based | MO5048013 | Resolved | Jun 29, 2023through Oct 27, 2023 |
| Revised Total Coliform Rule | MO5048013 | Resolved | Mar 1, 2023through Mar 31, 2023 |
| Consumer Confidence Rule | MO5048264 | Resolved | Jul 1, 2022through Jun 20, 2023 |
| Consumer Confidence Rule | MO5036304 | Resolved | Jul 1, 2022through Nov 30, 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 Springfield ZIP 65801 using 168 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
168 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 systemsAffiliate 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.
Nearby indexed reports
Compare ZIPs in Springfield
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Springfield
Is tap water safe in Springfield?+
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 168 PPM, or 9.8 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 168 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.