Hardness
Hard
142 PPM · 8.3 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 Jackson County.
At a glance
EPA quarter 2026Q2
Hardness
Hard
142 PPM · 8.3 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0078 mg/L
52% of action level
Utility match
4 systems
Serves 8,227 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
142 PPM
Parts per million
142
mg/L as CaCO₃ equivalent
Grains per gallon
8.3
1 GPG ≈ 17.1 PPM
What this means at home
At 142 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
30
Nearest site
2.5 mi
Observation range
Jan 25, 2021–Mar 25, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: SU-26C (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.
Marianna median
142 PPM
About the same2 indexed ZIP readings · Range 141–142 PPM
Florida median
280 PPM
138 PPM lower602 indexed ZIP readings · Range 20–374.5 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)
0.0078 mg/L
Reported Dec 1, 2024
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.
Measured in mg/L
Local 0.0078
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| E. COLI | FL1320879 | Archived | Mar 1, 2026through Mar 31, 2026 |
| Revised Total Coliform Rule | FL1320879 | Archived | Mar 1, 2026through Mar 31, 2026 |
| Revised Total Coliform Rule | FL1324098 | Archived | Nov 1, 2025through Nov 30, 2025 |
| E. COLI | FL1324098 | Archived | Nov 1, 2025through Nov 30, 2025 |
| E. COLI | FL1324064 | Resolved | Mar 1, 2024through Mar 31, 2024 |
| Revised Total Coliform Rule | FL1324064 | Resolved | Mar 1, 2024through Mar 31, 2024 |
| Revised Total Coliform Rule | FL1324064 | Resolved | Feb 1, 2024through Feb 29, 2024 |
| E. COLI | FL1324064 | Resolved | Feb 1, 2024through Feb 29, 2024 |
| Revised Total Coliform Rule | FL1324064 | Resolved | Jan 1, 2024through Jan 31, 2024 |
| E. COLI | FL1324064 | Resolved | Jan 1, 2024through Jan 31, 2024 |
| E. COLI | FL1324064 | Resolved | Dec 1, 2023through Dec 31, 2023 |
| Revised Total Coliform Rule | FL1324064 | Resolved | Dec 1, 2023through Dec 31, 2023 |
| Revised Total Coliform Rule | FL1324064 | Resolved | Nov 1, 2023through Nov 30, 2023 |
| E. COLI | FL1324064 | Resolved | Nov 1, 2023through Nov 30, 2023 |
| Nitrate | FL1320879 | Resolved | Jan 1, 2023through Dec 31, 2023 |
| Nitrate | FL1324098 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| TTHM | FL1320449 | Resolved | Oct 1, 2021through Dec 31, 2021 |
| Total Haloacetic Acids (HAA5) | FL1320449 | Resolved | Oct 1, 2021through Dec 31, 2021 |
| Nitrate | FL1324098 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| Lead and Copper Rule | FL1324064 | Unaddressed | Jan 1, 2019 |
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 Marianna ZIP 32446 using 142 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
142 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
Estimates can differ across a city because monitoring locations and associated systems differ.
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 142 PPM, or 8.3 grains per gallon, classified as hard. This is not a household tap measurement.
At 142 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.