Hardness
Very Hard
278.5 PPM · 16.3 GPG
Local water dashboard
Official source aggregationWater quality in Monticello, IN 47960
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for White County.
4 active health-based violations
- Primary matched system
- Monticello Water Works
- Source water
- Groundwater
- County
- White County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
4 active health-based records
Lead 90th percentile
0.002 mg/L
13% of action level
Utility match
8 systems
Serves 5,300 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
278.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
278.5
mg/L as CaCO₃ equivalent
Grains per gallon
16.3
1 GPG ≈ 17.1 PPM
What this means at home
At 278.5 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
52
Nearest site
28 mi
Observation range
Mar 30, 2016–May 13, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 29N7W-31.1f (Well).USGS source documentation ↗
Regional context
Is 47960 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Monticello median
279 PPM
About the same1 indexed ZIP readings · Range 278.5–278.5 PPM
Indiana median
313 PPM
34 PPM lower472 indexed ZIP readings · Range 132–371 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)
0.002 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.37 mg/L
Reported Dec 31, 2010
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.002
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.37
EPA limit 1.3
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 86
- Health-based
- 5
- Active health-based
- 4
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Groundwater RuleHealth-based | IN5291019 | Unaddressed | Jan 20, 2026 |
| Groundwater RuleHealth-based | IN5291019 | Unaddressed | Jan 20, 2026 |
| Lead and Copper Rule | IN5208004 | Resolved | Jan 1, 2026through Jan 21, 2026 |
| Public Notice | IN5208004 | Unaddressed | Dec 2, 2025 |
| Public Notice | IN5291009 | Unaddressed | Dec 2, 2025 |
| Public Notice | IN5291012 | Unaddressed | Dec 2, 2025 |
| Groundwater Rule | IN5291012 | Resolved | Oct 9, 2025through Feb 10, 2026 |
| Consumer Confidence Rule | IN5291019 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | IN5208004 | Resolved | Oct 1, 2025through Jan 7, 2026 |
| Consumer Confidence Rule | IN5291009 | Unaddressed | Oct 1, 2025 |
| Radium-228 | IN5291009 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| Radium-226 | IN5291009 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| Gross Alpha, Excl. Radon and U | IN5291009 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| Consumer Confidence Rule | IN5291012 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | IN5291020 | Resolved | Oct 1, 2025through Dec 17, 2025 |
| Consumer Confidence Rule | IN5291019 | Unaddressed | Jul 1, 2025 |
| Consumer Confidence Rule | IN5291007 | Resolved | Jul 1, 2025through Nov 17, 2025 |
| Consumer Confidence Rule | IN5291009 | Unaddressed | Jul 1, 2025 |
| Consumer Confidence Rule | IN5291012 | Unaddressed | Jul 1, 2025 |
| Consumer Confidence Rule | IN5291020 | Resolved | Jul 1, 2025through Dec 17, 2025 |
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 Monticello ZIP 47960 using 278.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
278.5 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), Groundwater 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 Monticello
Is tap water safe in Monticello?+
EPA ECHO reports 4 active health-based violations 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 278.5 PPM, or 16.3 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 278.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.