Hardness
Very Hard
201 PPM · 11.8 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 Glynn County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
201 PPM · 11.8 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0029 mg/L
19% of action level
Utility match
10 systems
Serves 44,739 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
201 PPM
Parts per million
201
mg/L as CaCO₃ equivalent
Grains per gallon
11.8
1 GPG ≈ 17.1 PPM
What this means at home
At 201 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
29
Nearest site
0.3 mi
Observation range
Dec 6, 2016–Jan 15, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 34H449 (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.
Brunswick median
201 PPM
About the same1 indexed ZIP readings · Range 201–201 PPM
Georgia median
40 PPM
161 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)
0.0029 mg/L
Reported Dec 31, 2025
Copper (CU90)
1,385 mg/L
Reported Nov 2, 1993
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0029
EPA limit 0.015
Measured in mg/L
Local 1,385
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | GA1270056 | Resolved | Feb 1, 2026through Feb 28, 2026 |
| Lead and Copper Rule | GA1270156 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | GA1270037 | Resolved | Jul 1, 2025through Jul 30, 2025 |
| Nitrate-Nitrite | GA1270160 | Archived | Jan 1, 2025through Dec 31, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270160 | Resolved | Oct 17, 2024through Sep 2, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270017 | Resolved | Oct 17, 2024through Nov 3, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270010 | Resolved | Oct 17, 2024through Nov 3, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270141 | Resolved | Oct 17, 2024through Jan 23, 2026 |
| LEAD AND COPPER RULE REVISIONS | GA1270042 | Resolved | Oct 17, 2024through Apr 15, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270014 | Resolved | Oct 17, 2024through Apr 15, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270037 | Resolved | Oct 17, 2024through Apr 15, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270008 | Resolved | Oct 17, 2024through Dec 15, 2025 |
| LEAD AND COPPER RULE REVISIONS | GA1270154 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | GA1270007 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | GA1270118 | Resolved | Oct 17, 2024through Feb 19, 2026 |
| Revised Total Coliform Rule | GA1270037 | Resolved | Dec 1, 2021through Dec 31, 2021 |
| Public Notice | GA1270010 | Resolved | Nov 19, 2021through Apr 4, 2023 |
| Revised Total Coliform RuleHealth-based | GA1270012 | Resolved | Sep 1, 2021through Sep 27, 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 Brunswick ZIP 31520 using 201 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
201 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
Copper (90th percentile) 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 201 PPM, or 11.8 grains per gallon, classified as very hard. This is not a household tap measurement.
At 201 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.