Hardness
Soft
15 PPM · 0.9 GPG
Local water dashboard
Official source aggregationWater quality in Thomson, GA 30824
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Mcduffie County.
2 reported benchmark flags
- Primary matched system
- Thomson-Mcduffie Co W&s Comm
- Source water
- Surface water
- County
- Mcduffie 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
0.0021 mg/L
14% of action level
Utility match
1 system
Serves 21,312 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
15 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
15
mg/L as CaCO₃ equivalent
Grains per gallon
0.9
1 GPG ≈ 17.1 PPM
What this means at home
At 15 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
7
Nearest site
20.2 mi
Observation range
Jan 7, 2016–Dec 9, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: TRB TO N FK SPIRIT CR TENTH ST AT FT GORDON, GA (Stream).USGS source documentation ↗
Regional context
Is 30824 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Thomson median
15 PPM
About the same1 indexed ZIP readings · Range 15–15 PPM
Georgia median
40 PPM
25 PPM lower469 indexed ZIP readings · Range 3–207 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)
0.0021 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
3 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0021
EPA limit 0.015
TTHM
Measured in MG/L
Local 0.111
EPA limit 0.08
Total Haloacetic Acids (HAA5)
Measured in MG/L
Local 0.061
EPA limit 0.06
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 24
- Health-based
- 14
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHMHealth-basedReported 0.111 MG/L · MCL 0.08 | GA1890001 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHMHealth-basedReported 0.113 MG/L · MCL 0.08 | GA1890001 | Archived | Oct 1, 2025through Dec 31, 2025 |
| TTHMHealth-basedReported 0.102 MG/L · MCL 0.08 | GA1890001 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 0.061 MG/L · MCL 0.06 | GA1890001 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Revised Total Coliform Rule | GA1890001 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 0.104 MG/L · MCL 0.08 | GA1890001 | Archived | Apr 1, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 0.095 MG/L · MCL 0.08 | GA1890001 | Archived | Jan 1, 2025through Mar 31, 2025 |
| TTHMHealth-basedReported 0.09 MG/L · MCL 0.08 | GA1890001 | Archived | Oct 1, 2024through Dec 31, 2024 |
| Revised Total Coliform Rule | GA1890001 | Resolved | Sep 1, 2024through Sep 30, 2024 |
| Consumer Confidence Rule | GA1890001 | Resolved | Jul 1, 2024through Aug 19, 2024 |
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | GA1890001 | Archived | Jul 1, 2024through Sep 30, 2024 |
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | GA1890001 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| Revised Total Coliform Rule | GA1890001 | Resolved | Oct 1, 2023through Dec 4, 2023 |
| Revised Total Coliform Rule | GA1890001 | Resolved | Sep 1, 2023through Dec 4, 2023 |
| TTHMHealth-basedReported 0.085 MG/L · MCL 0.08 | GA1890001 | Resolved | Jul 1, 2023through Sep 30, 2023 |
| Revised Total Coliform Rule | GA1890001 | Resolved | Jul 1, 2023through Dec 4, 2023 |
| TTHMHealth-basedReported 0.091 MG/L · MCL 0.08 | GA1890001 | Resolved | Apr 1, 2023through Jun 30, 2023 |
| Revised Total Coliform Rule | GA1890001 | Resolved | Mar 1, 2023through Dec 4, 2023 |
| Public Notice | GA1890001 | Resolved | Dec 8, 2022through Dec 16, 2022 |
| TTHMHealth-basedReported 0.099 MG/L · MCL 0.08 | GA1890001 | Resolved | Oct 1, 2022through Dec 31, 2022 |
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 Thomson ZIP 30824 using 15 PPM nearby hardness and 3 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
TTHM, Total Haloacetic Acids (HAA5) 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.
Frequently asked
Water questions for Thomson
Is tap water safe in Thomson?+
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 15 PPM, or 0.9 grains per gallon, classified as soft. This is not a household tap measurement.
Do I need a water softener?+
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.