Hardness
Soft
30 PPM · 1.8 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 Rockdale County.
At a glance
EPA quarter 2026Q2
Hardness
Soft
30 PPM · 1.8 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0017 mg/L
11% of action level
Utility match
4 systems
Serves 87,156 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
30 PPM
Parts per million
30
mg/L as CaCO₃ equivalent
Grains per gallon
1.8
1 GPG ≈ 17.1 PPM
What this means at home
At 30 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
10.9 mi
Observation range
Jan 5, 2016–Jun 3, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: SOUTH RIVER AT GA 81, AT SNAPPING SHOALS, GA (Stream).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.
Conyers median
30 PPM
About the same3 indexed ZIP readings · Range 30–30 PPM
Georgia median
40 PPM
10 PPM lower469 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)
0.0017 mg/L
Reported Jun 30, 2025
Copper (CU90)
4.9 mg/L
Reported Dec 31, 2023
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0017
EPA limit 0.015
Measured in mg/L
Local 4.9
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | GA2470005 | Unaddressed | Jul 2, 2025 |
| Revised Total Coliform Rule | GA2470005 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| Revised Total Coliform Rule | GA2470005 | Resolved | Feb 1, 2025through Feb 28, 2025 |
| Consumer Confidence Rule | GA2470005 | Unaddressed | Oct 1, 2024 |
| Consumer Confidence Rule | GA2470005 | Unaddressed | Jul 1, 2024 |
| Consumer Confidence Rule | GA2470005 | Resolved | Oct 1, 2023through Nov 9, 2023 |
| Consumer Confidence Rule | GA2470002 | Unaddressed | Oct 1, 2023 |
| E. COLI | GA2470005 | Resolved | Sep 29, 2023through Nov 28, 2023 |
| Revised Total Coliform Rule | GA2470006 | Resolved | Aug 1, 2023through Aug 31, 2023 |
| Consumer Confidence Rule | GA2470005 | Resolved | Jul 1, 2023through Nov 9, 2023 |
| Consumer Confidence Rule | GA2470002 | Unaddressed | Jul 1, 2023 |
| Revised Total Coliform Rule | GA2470002 | Resolved | Apr 1, 2023through Apr 30, 2023 |
| Nitrate-Nitrite | GA2470005 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| Nitrate-Nitrite | GA2470005 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| Public Notice | GA2470002 | Resolved | Nov 19, 2021through May 21, 2021 |
| Public Notice | GA2470002 | Unaddressed | Nov 19, 2021 |
| Lead and Copper Rule | GA2470005 | Resolved | Oct 1, 2021through Aug 16, 2023 |
| Public Notice | GA2470005 | Resolved | Aug 19, 2021through Dec 1, 2020 |
| Consumer Confidence Rule | GA2470006 | Resolved | Jul 1, 2021through Nov 18, 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 Conyers ZIP 30013 using 30 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Copper (90th percentile) has a measured benchmark flag or active health-based SDWIS record in this profile.
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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 30 PPM, or 1.8 grains per gallon, classified as soft. This is not a household tap measurement.
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.