Hardness
Soft
13 PPM · 0.8 GPG
Local water dashboard
Official source aggregationWater quality in Tenaha, TX 75974
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Shelby County.
2 active health-based violations
- Primary matched system
- City Of Tenaha
- Source water
- Groundwater
- County
- Shelby County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
2 active health-based records
Lead 90th percentile
7.4e-4 mg/L
5% of action level
Utility match
1 system
Serves 1,746 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
13 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
13
mg/L as CaCO₃ equivalent
Grains per gallon
0.8
1 GPG ≈ 17.1 PPM
What this means at home
At 13 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
1
Nearest site
67.4 mi
Observation range
May 18, 2016–Aug 24, 2016
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: FPMRS MW-03 (Well).USGS source documentation ↗
Regional context
Is 75974 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Tenaha median
13 PPM
About the same1 indexed ZIP readings · Range 13–13 PPM
Texas median
111 PPM
98 PPM lower1019 indexed ZIP readings · Range 5.4–500.5 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)
7.4e-4 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.71 mg/L
Reported Jun 30, 2020
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 7.4e-4
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 1.71
EPA limit 1.3
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 24
- Health-based
- 3
- Active health-based
- 2
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | TX2100002 | Unaddressed | Apr 23, 2026 |
| Public Notice | TX2100002 | Unaddressed | Apr 2, 2026 |
| Lead and Copper Rule | TX2100002 | Unaddressed | Apr 1, 2026 |
| Public Notice | TX2100002 | Unaddressed | Mar 5, 2026 |
| Revised Total Coliform Rule | TX2100002 | Resolved | Feb 1, 2026through Feb 28, 2026 |
| Lead and Copper Rule | TX2100002 | Unaddressed | Jan 1, 2026 |
| Chlorine | TX2100002 | Resolved | Oct 1, 2025through Dec 31, 2025 |
| Lead and Copper Rule | TX2100002 | Unaddressed | Sep 29, 2025 |
| Consumer Confidence Rule | TX2100002 | Unaddressed | Jul 1, 2025 |
| Chlorine | TX2100002 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Public Notice | TX2100002 | Unaddressed | Jun 22, 2025 |
| Public Notice | TX2100002 | Unaddressed | May 1, 2025 |
| Chlorine | TX2100002 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| Lead and Copper RuleHealth-based | TX2100002 | Unaddressed | Apr 1, 2025 |
| Chlorine | TX2100002 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| Lead and Copper Rule | TX2100002 | Resolved | Jan 1, 2025through Jul 8, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | TX2100002 | Addressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | TX2100002 | Addressed | Oct 17, 2024 |
| Chlorine | TX2100002 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| Lead and Copper Rule | TX2100002 | Unaddressed | Sep 29, 2024 |
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 Tenaha ZIP 75974 using 13 PPM nearby hardness and 2 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Copper (90th percentile), Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS 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 Tenaha
Is tap water safe in Tenaha?+
EPA ECHO reports 2 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
How hard is the water?+
Nearby USGS observations produce an estimate of 13 PPM, or 0.8 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.