Hardness
Soft
15.5 PPM · 0.9 GPG
Local water dashboard
Official source aggregationWater quality in Etowah, TN 37331
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Mcminn County.
1 reported benchmark flag
- Primary matched system
- Etowah Utilities
- Source water
- Surface water + Groundwater
- County
- Mcminn 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
0.001 mg/L
7% of action level
Utility match
3 systems
Serves 12,851 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
15.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
15.5
mg/L as CaCO₃ equivalent
Grains per gallon
0.9
1 GPG ≈ 17.1 PPM
What this means at home
At 15.5 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
10
Nearest site
41.5 mi
Observation range
Jan 6, 2016–Mar 9, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: CONASAUGA RIVER AT US 76, NEAR DALTON, GA (Stream).USGS source documentation ↗
Regional context
Is 37331 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Etowah median
16 PPM
About the same1 indexed ZIP readings · Range 15.5–15.5 PPM
Tennessee median
50 PPM
34 PPM lower323 indexed ZIP readings · Range 4.5–247 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 pass1 fail
Lead (PB90)
0.001 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.
Lead (90th percentile)
Measured in mg/L
Local 0.001
EPA limit 0.015
Arsenic
Measured in MG/L
Local 0.0104
EPA limit 0.01
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 55
- Health-based
- 1
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | TN0000693 | Resolved | Jul 1, 2023through Jul 31, 2023 |
| Groundwater Rule | TN0000693 | Resolved | Jul 1, 2023through Jul 31, 2023 |
| Chlorine | TN0000693 | Resolved | Jul 1, 2023through Aug 31, 2023 |
| ArsenicHealth-basedReported 0.0104 MG/L · MCL 0.01 | TN0000936 | Resolved | Jan 1, 2023through Dec 27, 2023 |
| Consumer Confidence Rule | TN0000936 | Addressed | Jul 1, 2022 |
| Lead and Copper Rule | TN0000693 | Resolved | Jun 1, 2022through Sep 23, 2025 |
| TTHM | TN0000936 | Resolved | Jul 1, 2021through Sep 30, 2021 |
| Total Haloacetic Acids (HAA5) | TN0000936 | Resolved | Jul 1, 2021through Sep 30, 2021 |
| Total Haloacetic Acids (HAA5) | TN0000233 | Resolved | Jan 1, 2021through Mar 31, 2021 |
| TTHM | TN0000233 | Resolved | Jan 1, 2021through Mar 31, 2021 |
| Xylenes, Total | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| o-Dichlorobenzene | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| Vinyl chloride | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| 1,1-Dichloroethylene | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| trans-1,2-Dichloroethylene | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| 1,2-Dichloroethane | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| 1,1,1-Trichloroethane | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| Carbon tetrachloride | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| 1,2-Dichloropropane | TN0000693 | Resolved | Jan 1, 2021through Dec 31, 2021 |
| CHLOROBENZENE | TN0000693 | Resolved | Jan 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
Your personalized water action plan
Matched to Etowah ZIP 37331 using 15.5 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Arsenic 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
Water questions for Etowah
Is tap water safe in Etowah?+
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 15.5 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.