Hardness
Hard
172 PPM · 10.1 GPG
Local water dashboard
Official source aggregationWater quality in Rotan, TX 79546
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Fisher County.
4 active health-based violations
- Primary matched system
- City Of Rotan
- Source water
- Surface water
- County
- Fisher County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
4 active health-based records
Lead 90th percentile
0.0028 mg/L
19% of action level
Utility match
1 system
Serves 1,983 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
172 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
172
mg/L as CaCO₃ equivalent
Grains per gallon
10.1
1 GPG ≈ 17.1 PPM
What this means at home
At 172 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
11
Nearest site
42.6 mi
Observation range
Jan 7, 2016–Jun 10, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: DMF Brazos Rv at Justiceburg, TX (Stream).USGS source documentation ↗
Regional context
Is 79546 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Rotan median
172 PPM
About the same1 indexed ZIP readings · Range 172–172 PPM
Texas median
111 PPM
61 PPM higher1019 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)
0.0028 mg/L
Reported Dec 31, 2023
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 0.0028
EPA limit 0.015
TTHM
Measured in MG/L
Local 0.09
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 50
- Health-based
- 11
- Active health-based
- 4
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | TX0760002 | Unaddressed | Apr 2, 2026 |
| TTHMHealth-basedReported 0.09 MG/L · MCL 0.08 | TX0760002 | Unaddressed | Apr 1, 2026through Jun 30, 2026 |
| Lead and Copper Rule | TX0760002 | Unaddressed | Jan 1, 2026 |
| Public Notice | TX0760002 | Unaddressed | Nov 16, 2025 |
| Public Notice | TX0760002 | Unaddressed | Oct 26, 2025 |
| Chlorine | TX0760002 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Revised Total Coliform RuleHealth-based | TX0760002 | Unaddressed | Sep 6, 2025 |
| Lead and Copper Rule | TX0760002 | Unaddressed | Jul 1, 2025 |
| Chlorine | TX0760002 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Consumer Confidence Rule | TX0760002 | Unaddressed | Jul 1, 2025 |
| Public Notice | TX0760002 | Unaddressed | May 30, 2025 |
| Public Notice | TX0760002 | Unaddressed | May 1, 2025 |
| Chlorine | TX0760002 | Archived | Apr 1, 2025through Jun 30, 2025 |
| Chlorine | TX0760002 | Archived | Jan 1, 2025through Mar 31, 2025 |
| Public Notice | TX0760002 | Resolved | Nov 19, 2024through Dec 12, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | TX0760002 | Addressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | TX0760002 | Addressed | Oct 17, 2024 |
| Lead and Copper Rule | TX0760002 | Unaddressed | Oct 1, 2024 |
| Public Notice | TX0760002 | Resolved | Sep 26, 2024through Dec 12, 2024 |
| Revised Total Coliform RuleHealth-based | TX0760002 | Unaddressed | Jul 6, 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 Rotan ZIP 79546 using 172 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
172 PPM is 1× 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
Under-Sink Reverse Osmosis System
TTHM, Revised Total Coliform 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 Rotan
Is tap water safe in Rotan?+
EPA ECHO reports 4 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 172 PPM, or 10.1 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 172 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.