Hardness
Very Hard
500.5 PPM · 29.3 GPG
Local water dashboard
Official source aggregationWater quality in Roscoe, TX 79545
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Nolan County.
1 active health-based violation
- Primary matched system
- City Of Roscoe
- Source water
- Groundwater
- County
- Nolan County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0 mg/L
0% of action level
Utility match
1 system
Serves 1,238 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
500.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
500.5
mg/L as CaCO₃ equivalent
Grains per gallon
29.3
1 GPG ≈ 17.1 PPM
What this means at home
At 500.5 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
2
Nearest site
50.8 mi
Observation range
Jun 1, 2016–May 30, 2017
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: PB-28-62-106 (Well).USGS source documentation ↗
Regional context
Is 79545 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Roscoe median
501 PPM
About the same1 indexed ZIP readings · Range 500.5–500.5 PPM
Texas median
111 PPM
390 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 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
EPA limit 0.015
Nitrate
Measured in MG/L
Local 11
EPA limit 10
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 17
- Health-based
- 3
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | TX1770001 | Unaddressed | Apr 2, 2026 |
| Consumer Confidence Rule | TX1770001 | Unaddressed | Jul 1, 2025 |
| Public Notice | TX1770001 | Unaddressed | May 1, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | TX1770001 | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | TX1770001 | Unaddressed | Oct 17, 2024 |
| NitrateHealth-basedReported 11 MG/L · MCL 10 | TX1770001 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| Consumer Confidence Rule | TX1770001 | Resolved | Jul 2, 2024through Feb 6, 2025 |
| Public Notice | TX1770001 | Resolved | Oct 1, 2023through Oct 31, 2023 |
| Consumer Confidence Rule | TX1770001 | Resolved | Jul 1, 2023through Jun 28, 2023 |
| Public Notice | TX1770001 | Resolved | Jun 1, 2023through Oct 31, 2023 |
| Revised Total Coliform Rule | TX1770001 | Resolved | Sep 1, 2022through Sep 30, 2022 |
| Public Notice | TX1770001 | Resolved | Aug 1, 2022through Oct 31, 2023 |
| Revised Total Coliform Rule | TX1770001 | Resolved | May 1, 2022through May 31, 2022 |
| NitrateHealth-basedReported 16 MG/L · MCL 10 | TX1770001 | Resolved | Oct 1, 2021through Dec 31, 2021 |
| Revised Total Coliform Rule | TX1770001 | Resolved | Jul 1, 2021through Jul 31, 2021 |
| Public Notice | TX1770001 | Resolved | Feb 1, 2021through Oct 31, 2023 |
| Chlorine | TX1770001 | Resolved | Jan 1, 2021through Mar 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 Roscoe ZIP 79545 using 500.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
500.5 PPM is 4× 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
Nitrate, 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 Roscoe
Is tap water safe in Roscoe?+
EPA ECHO reports 1 active health-based violation 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 500.5 PPM, or 29.3 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 500.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.