Hardness
Very Hard
429 PPM · 25.1 GPG
Local water dashboard
Official source aggregationWater quality in Idalou, TX 79329
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Lubbock County.
1 active health-based violation
- Primary matched system
- City Of Idalou
- Source water
- Groundwater
- County
- Lubbock 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
0.0011 mg/L
8% of action level
Utility match
1 system
Serves 2,250 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
429 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
429
mg/L as CaCO₃ equivalent
Grains per gallon
25.1
1 GPG ≈ 17.1 PPM
What this means at home
At 429 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
12
Nearest site
3.9 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 79329 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Idalou median
429 PPM
About the same1 indexed ZIP readings · Range 429–429 PPM
Texas median
111 PPM
318 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)
0.0011 mg/L
Reported Dec 31, 2028
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 0.0011
EPA limit 0.015
1,1-Dichloroethylene
Measured in MG/L
Local 0.012
EPA limit 0.007
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 35
- Health-based
- 23
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| 1,1-DichloroethyleneHealth-basedReported 0.012 MG/L · MCL 0.007 | TX1520001 | Unaddressed | Apr 1, 2026through Jun 30, 2026 |
| Public Notice | TX1520001 | Unaddressed | Mar 4, 2026 |
| Public Notice | TX1520001 | Unaddressed | Jan 1, 2026 |
| 1,1-DichloroethyleneHealth-basedReported 0.012 MG/L · MCL 0.007 | TX1520001 | Archived | Jan 1, 2026through Mar 31, 2026 |
| 1,1-DichloroethyleneHealth-basedReported 0.011 MG/L · MCL 0.007 | TX1520001 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Lead and Copper Rule | TX1520001 | Unaddressed | Sep 29, 2025 |
| LEAD AND COPPER RULE REVISIONS | TX1520001 | Unaddressed | Jul 2, 2025 |
| 1,1-DichloroethyleneHealth-basedReported 0.009 MG/L · MCL 0.007 | TX1520001 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Consumer Confidence Rule | TX1520001 | Unaddressed | Jul 1, 2025 |
| Public Notice | TX1520001 | Resolved | May 15, 2025through Jun 17, 2025 |
| 1,1-DichloroethyleneHealth-basedReported 0.008 MG/L · MCL 0.007 | TX1520001 | Archived | Apr 1, 2025through Jun 30, 2025 |
| 1,1-DichloroethyleneHealth-basedReported 0.008 MG/L · MCL 0.007 | TX1520001 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| 1,1-DichloroethyleneHealth-basedReported 0.009 MG/L · MCL 0.007 | TX1520001 | Resolved | Jan 1, 2025through Mar 31, 2025 |
| Lead and Copper Rule | TX1520001 | Resolved | Jan 1, 2025through Jun 30, 2025 |
| LEAD AND COPPER RULE REVISIONSHealth-based | TX1520001 | Resolved | Oct 17, 2024through Apr 22, 2025 |
| LEAD AND COPPER RULE REVISIONS | TX1520001 | Resolved | Oct 17, 2024through Apr 22, 2025 |
| 1,1-DichloroethyleneHealth-basedReported 0.011 MG/L · MCL 0.007 | TX1520001 | Resolved | Oct 1, 2024through Dec 31, 2024 |
| 1,1-DichloroethyleneHealth-basedReported 0.011 MG/L · MCL 0.007 | TX1520001 | Resolved | Jul 1, 2024through Sep 30, 2024 |
| 1,1-DichloroethyleneHealth-basedReported 0.011 MG/L · MCL 0.007 | TX1520001 | Resolved | Apr 1, 2024through Jun 30, 2024 |
| 1,1-DichloroethyleneHealth-basedReported 0.011 MG/L · MCL 0.007 | TX1520001 | Resolved | Jan 1, 2024through Mar 31, 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 Idalou ZIP 79329 using 429 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
429 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
1,1-Dichloroethylene has 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 Idalou
Is tap water safe in Idalou?+
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 429 PPM, or 25.1 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 429 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.