Hardness
Very Hard
361 PPM · 21.1 GPG
Local water dashboard
Official source aggregationWater quality in Battle Creek, MI 49017
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Calhoun County.
2 reported benchmark flags
- Primary matched system
- Battle Creek - Verona System
- Source water
- Groundwater
- County
- Calhoun 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
0.002 mg/L
13% of action level
Utility match
1 system
Serves 43,975 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
361 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
361
mg/L as CaCO₃ equivalent
Grains per gallon
21.1
1 GPG ≈ 17.1 PPM
What this means at home
At 361 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
59
Nearest site
21.3 mi
Observation range
Jun 28, 2016–Oct 11, 2023
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: KALAMAZOO 2-11 PAS-03 (Well).USGS source documentation ↗
Regional context
Is 49017 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Battle Creek median
359 PPM
About the same5 indexed ZIP readings · Range 359–362 PPM
Michigan median
283 PPM
78 PPM higher504 indexed ZIP readings · Range 41.3–459.5 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)
0.002 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.37 mg/L
Reported Dec 31, 2000
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.002
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.37
EPA limit 1.3
TTHM
Measured in MG/L
Local 0.102
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 11
- Health-based
- 8
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHMHealth-basedReported 0.102 MG/L · MCL 0.08 | MI0000450 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| TTHMHealth-basedReported 0.104 MG/L · MCL 0.08 | MI0000450 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | MI0000450 | Resolved | Jul 2, 2025through Jul 1, 2025 |
| TTHMHealth-basedReported 0.106 MG/L · MCL 0.08 | MI0000450 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| TTHMHealth-basedReported 0.107 MG/L · MCL 0.08 | MI0000450 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Public Notice | MI0000450 | Resolved | Jun 30, 2025through Jun 30, 2025 |
| Public Notice | MI0000450 | Resolved | Jun 30, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 0.095 MG/L · MCL 0.08 | MI0000450 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 0.103 MG/L · MCL 0.08 | MI0000450 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 0.101 MG/L · MCL 0.08 | MI0000450 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | MI0000450 | Resolved | Jan 1, 2025through Mar 31, 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 Battle Creek ZIP 49017 using 361 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
361 PPM is 3× 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), TTHM 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.
Nearby indexed reports
Compare ZIPs in Battle Creek
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Battle Creek
Is tap water safe in Battle Creek?+
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 361 PPM, or 21.1 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 361 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.