Hardness
Very Hard
210 PPM · 12.3 GPG
Local water dashboard
Official source aggregationWater quality in Cisco, TX 76437
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Eastland County.
2 reported benchmark flags
- Primary matched system
- City Of Cisco
- Source water
- Surface water
- County
- Eastland 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 mg/L
0% of action level
Utility match
1 system
Serves 4,076 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
210 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
210
mg/L as CaCO₃ equivalent
Grains per gallon
12.3
1 GPG ≈ 17.1 PPM
What this means at home
At 210 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
22
Nearest site
18.4 mi
Observation range
Feb 3, 2016–Jun 10, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Big Sandy Ck abv Breckenridge, TX (Stream).USGS source documentation ↗
Regional context
Is 76437 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Cisco median
210 PPM
About the same1 indexed ZIP readings · Range 210–210 PPM
Texas median
111 PPM
99 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 pass2 fail
Lead (PB90)
0 mg/L
Reported Dec 31, 2024
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
3 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
TTHM
Measured in MG/L
Local 0.092
EPA limit 0.08
Chlorite
Measured in MG/L
Local 1.3
EPA limit 1
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 14
- Health-based
- 4
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | TX0670001 | Resolved | Jul 2, 2025through Apr 8, 2026 |
| Public Notice | TX0670001 | Resolved | Dec 8, 2022through Feb 7, 2023 |
| Revised Total Coliform RuleHealth-based | TX0670001 | Resolved | Dec 2, 2022through Apr 4, 2023 |
| Chlorite | TX0670001 | Resolved | Sep 1, 2022through Sep 30, 2022 |
| TTHMHealth-basedReported 0.092 MG/L · MCL 0.08 | TX0670001 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| TTHMHealth-basedReported 0.1 MG/L · MCL 0.08 | TX0670001 | Resolved | Apr 1, 2022through Jun 30, 2022 |
| ChloriteHealth-basedReported 1.3 MG/L · MCL 1 | TX0670001 | Resolved | Sep 1, 2021through Sep 30, 2021 |
| Public Notice | TX0670001 | Resolved | Aug 18, 2021through Oct 25, 2021 |
| Public Notice | TX0670001 | Resolved | Aug 15, 2021through Oct 25, 2021 |
| Public Notice | TX0670001 | Resolved | Jul 17, 2021through Sep 27, 2021 |
| Public Notice | TX0670001 | Resolved | Jul 2, 2021through Jul 18, 2021 |
| Public Notice | TX0670001 | Resolved | Jul 1, 2021through Aug 16, 2021 |
| Public Notice | TX0670001 | Resolved | Jun 23, 2021through Aug 16, 2021 |
| Interim Enhanced Surface Water Treatment Rule | TX0670001 | Resolved | May 1, 2021through May 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 Cisco ZIP 76437 using 210 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
210 PPM is 2× 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, Chlorite 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 Cisco
Is tap water safe in Cisco?+
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 210 PPM, or 12.3 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 210 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.