Hardness
Hard
124 PPM · 7.3 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Macon County.
At a glance
EPA quarter 2026Q2
Hardness
Hard
124 PPM · 7.3 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0061 mg/L
41% of action level
Utility match
2 systems
Serves 1,342 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
124 PPM
Parts per million
124
mg/L as CaCO₃ equivalent
Grains per gallon
7.3
1 GPG ≈ 17.1 PPM
What this means at home
At 124 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
27
Nearest site
19.4 mi
Observation range
Jan 25, 2021–Dec 16, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 12V005 (Well).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Marshallville median
124 PPM
About the same1 indexed ZIP readings · Range 124–124 PPM
Georgia median
40 PPM
84 PPM higher469 indexed ZIP readings · Range 3–207 PPM
EPA benchmark screen
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
0.0061 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0061
EPA limit 0.015
Measured in PCI/L
Local 6
EPA limit 5
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | GA1930008 | Resolved | Nov 1, 2024through Nov 30, 2024 |
| Revised Total Coliform Rule | GA1930001 | Resolved | Jun 1, 2024through Jun 30, 2024 |
| Combined Radium (-226 and -228)Health-basedReported 6 PCI/L · MCL 5 | GA1930001 | Resolved | Jan 1, 2023through Mar 31, 2023 |
| Public Notice | GA1930001 | Unaddressed | Jul 15, 2022 |
| Combined Radium (-226 and -228)Health-basedReported 6 PCI/L · MCL 5 | GA1930001 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| Combined Radium (-226 and -228)Health-basedReported 7 PCI/L · MCL 5 | GA1930001 | Resolved | Apr 1, 2022through Jun 30, 2022 |
| Combined Radium (-226 and -228)Health-basedReported 7 PCI/L · MCL 5 | GA1930001 | Resolved | Jan 1, 2022through Mar 31, 2022 |
| Nitrate-Nitrite | GA1930008 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| Combined Radium (-226 and -228)Health-basedReported 7 PCI/L · MCL 5 | GA1930001 | Resolved | Oct 1, 2021through Dec 31, 2021 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Matched to Marshallville ZIP 31057 using 124 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
124 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 systemsDrinking water protection
Combined Radium (-226 and -228) 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
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.
Nearby USGS observations produce an estimate of 124 PPM, or 7.3 grains per gallon, classified as hard. This is not a household tap measurement.
At 124 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.