Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Jourdanton, TX 78026
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Atascosa County.
1 active health-based record(s) across possible systems
- Largest possible serving system
- City Of Jourdanton
- Source water
- Groundwater
- County
- Atascosa County
- Profile updated
Your tap water
What does the utility report?
Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.
Utility hardness unavailable in this index
Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.
Find an official utility report →At a glance
What the current records say
EPA quarter 2026Q2
All possible systems
Review needed
1 active health-based record
Measurements by utility
Each result belongs to a specific system.
Utility match
1 system
Serves 5,721 people system-wide
Match the name on your water bill
Your utility’s measurements and compliance records
These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.
EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.
City Of Jourdanton
TX0070002 · Groundwater · 5,721 people served system-wide
A municipal system, in-state city, and served county all agree with this Census ZCTA.
1 reported active health-based record(s) for this system
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jul 1, 2024 to Dec 31, 2024
Violation history (28)
| Rule | Status | Period |
|---|---|---|
| Public Notice | Resolved | Jan 4, 2026 to Mar 25, 2026 |
| Public Notice | Resolved | Sep 20, 2025 to Nov 20, 2025 |
| Public Notice | Resolved | May 1, 2025 to Mar 25, 2026 |
| Public Notice | Resolved | Jan 23, 2025 to Mar 25, 2026 |
| LEAD AND COPPER RULE REVISIONSHealth-based | Unaddressed | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Oct 17, 2024 |
| Lead and Copper Rule | Resolved | Sep 29, 2024 to Nov 19, 2024 |
| Chlorine | Resolved | Jul 1, 2024 to Sep 30, 2024 |
| Chlorine | Resolved | Apr 1, 2024 to Jun 30, 2024 |
| E. COLI | Resolved | Oct 25, 2023 to Feb 5, 2024 |
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Apr 16, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Nov 15, 2023 |
| Public Notice | Resolved | Feb 1, 2023 to Nov 30, 2023 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2023 to Feb 28, 2023 |
| Public Notice | Resolved | Jan 7, 2023 to Dec 21, 2023 |
| Public Notice | Resolved | Nov 3, 2022 to Nov 30, 2023 |
| Public Notice | Resolved | Oct 15, 2022 to Jan 9, 2023 |
| Public Notice | Resolved | Jun 25, 2022 to Jan 9, 2023 |
| Public Notice | Resolved | Apr 3, 2022 to Jan 9, 2023 |
| Public Notice | Resolved | Feb 1, 2022 to Mar 28, 2022 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2022 to Jan 31, 2022 |
| E. COLI | Resolved | Jul 16, 2021 to Nov 22, 2021 |
| E. COLI | Resolved | Jul 14, 2021 to Nov 22, 2021 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Oct 19, 2021 |
| Chlorine | Resolved | Jul 1, 2021 to Sep 30, 2021 |
| Chlorine | Resolved | Apr 1, 2021 to Jun 30, 2021 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2021 to Jan 31, 2021 |
| Chlorine | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Hardness meter
What does nearby environmental evidence show?
94.2
PPM as CaCO₃
Moderately Hard
PPM
94.2
GPG
5.5
Regional environmental evidence
USGS hardness classification scale
94.2 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
94.2
mg/L as CaCO₃ equivalent
Grains per gallon
5.5
1 GPG ≈ 17.1 PPM
How to use regional evidence
These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.
USGS sites used
2
Nearest site
14.8 mi
Observation range
Feb 10, 2016–Aug 21, 2017
Regional evidence confidence
Low
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: PZ-78-22-702 (Well).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.
Regional context
Is 78026 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Jourdanton median
94 PPM
About the same1 indexed ZIP readings · Range 94.2–94.2 PPM
Texas median
118 PPM
24 PPM lower741 indexed ZIP readings · Range 5.4–1400 PPM
Evidence-first next steps
Confirm the problem before choosing treatment
This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.
Confirm the serving system
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
Read the current utility report
An active health-based record is present. Follow the utility's current notice and public-health instructions.
Find an official utility report →Test for the decision you face
Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.
Convert your hardness test result →Frequently asked
Water questions for Jourdanton
Is tap water safe in Jourdanton?+
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?+
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Do I need a water softener?+
Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.