Hardness
Very Hard
329 PPM · 19.2 GPG
Local water dashboard
Official source aggregationWater quality in Petersburg, TX 79250
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Hale County.
No active health-based violation reported
- Primary matched system
- City Of Petersburg
- Source water
- Groundwater
- County
- Hale 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
0.0046 mg/L
31% of action level
Utility match
1 system
Serves 1,205 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
329 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
329
mg/L as CaCO₃ equivalent
Grains per gallon
19.2
1 GPG ≈ 17.1 PPM
What this means at home
At 329 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
5
Nearest site
16.7 mi
Observation range
May 23, 2016–Jul 28, 2016
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: SP-23-19-816 (Well).USGS source documentation ↗
Regional context
Is 79250 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Petersburg median
329 PPM
About the same1 indexed ZIP readings · Range 329–329 PPM
Texas median
111 PPM
218 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 pass
Lead (PB90)
0.0046 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0046
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 14
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | TX0950003 | Unaddressed | Apr 1, 2026 |
| Revised Total Coliform Rule | TX0950003 | Resolved | Jan 1, 2026through Jan 31, 2026 |
| LEAD AND COPPER RULE REVISIONS | TX0950003 | Unaddressed | Jul 2, 2025 |
| Public Notice | TX0950003 | Unaddressed | Jun 30, 2025 |
| Lead and Copper Rule | TX0950003 | Resolved | Oct 1, 2024through Jul 10, 2025 |
| Consumer Confidence Rule | TX0950003 | Unaddressed | Jul 2, 2024 |
| Chlorine | TX0950003 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| Consumer Confidence Rule | TX0950003 | Resolved | Jul 1, 2023through Jan 16, 2024 |
| Consumer Confidence Rule | TX0950003 | Resolved | Jul 1, 2022through Jan 16, 2024 |
| Public Notice | TX0950003 | Resolved | Jun 25, 2022through Jan 12, 2024 |
| Lead and Copper Rule | TX0950003 | Resolved | Dec 30, 2021through Sep 23, 2025 |
| Public Notice | TX0950003 | Resolved | Jul 4, 2021through Jan 17, 2024 |
| Consumer Confidence Rule | TX0950003 | Resolved | Jul 1, 2021through Jan 16, 2024 |
| Chlorine | TX0950003 | 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 Petersburg ZIP 79250 using 329 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
329 PPM is 3× 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 systemsAffiliate 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 Petersburg
Is tap water safe in Petersburg?+
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 329 PPM, or 19.2 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 329 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.