Hardness
Soft
48 PPM · 2.8 GPG
Local water dashboard
Official source aggregationWater quality in Arp, TX 75750
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Smith County.
3 reported benchmark flags
- Primary matched system
- City Of Arp
- Source water
- Groundwater
- County
- Smith 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 1,249 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
48 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
48
mg/L as CaCO₃ equivalent
Grains per gallon
2.8
1 GPG ≈ 17.1 PPM
What this means at home
At 48 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
19
Nearest site
23.1 mi
Observation range
Jan 28, 2016–Jun 4, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Lk Palestine nr Villages Marina nr Chandler, TX (Lake, Reservoir, Impoundment).USGS source documentation ↗
Regional context
Is 75750 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Arp median
48 PPM
About the same1 indexed ZIP readings · Range 48–48 PPM
Texas median
111 PPM
63 PPM lower1019 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 pass3 fail
Lead (PB90)
0 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.5 mg/L
Reported Dec 31, 2016
Numerical coverage
4 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
Copper (90th percentile)
Measured in mg/L
Local 1.5
EPA limit 1.3
Asbestos
Measured in MFL
Local 61
EPA limit 7
TTHM
Measured in MG/L
Local 0.081
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 28
- Health-based
- 23
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| AsbestosHealth-basedReported 61 MFL · MCL 7 | TX2120001 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Lead and Copper Rule | TX2120001 | Resolved | Dec 30, 2025through Mar 5, 2026 |
| AsbestosHealth-basedReported 78 MFL · MCL 7 | TX2120001 | Archived | Oct 1, 2025through Dec 31, 2025 |
| AsbestosHealth-basedReported 78 MFL · MCL 7 | TX2120001 | Archived | Jul 1, 2025through Sep 30, 2025 |
| AsbestosHealth-basedReported 10 MFL · MCL 7 | TX2120001 | Archived | Apr 1, 2025through Jun 30, 2025 |
| AsbestosHealth-basedReported 8 MFL · MCL 7 | TX2120001 | Archived | Jan 1, 2025through Mar 31, 2025 |
| AsbestosHealth-basedReported 10 MFL · MCL 7 | TX2120001 | Archived | Oct 1, 2024through Dec 31, 2024 |
| AsbestosHealth-basedReported 22 MFL · MCL 7 | TX2120001 | Archived | Jul 1, 2024through Sep 30, 2024 |
| AsbestosHealth-basedReported 35 MFL · MCL 7 | TX2120001 | Archived | Apr 1, 2024through Jun 30, 2024 |
| AsbestosHealth-basedReported 40 MFL · MCL 7 | TX2120001 | Archived | Jan 1, 2024through Mar 31, 2024 |
| AsbestosHealth-basedReported 133 MFL · MCL 7 | TX2120001 | Archived | Oct 1, 2023through Dec 31, 2023 |
| Public Notice | TX2120001 | Resolved | Aug 25, 2023through Sep 27, 2023 |
| AsbestosHealth-basedReported 23 MFL · MCL 7 | TX2120001 | Archived | Jul 1, 2023through Sep 30, 2023 |
| AsbestosHealth-basedReported 21 MFL · MCL 7 | TX2120001 | Archived | Apr 1, 2023through Jun 30, 2023 |
| AsbestosHealth-basedReported 239 MFL · MCL 7 | TX2120001 | Archived | Jan 1, 2023through Mar 31, 2023 |
| AsbestosHealth-basedReported 512 MFL · MCL 7 | TX2120001 | Archived | Oct 1, 2022through Dec 31, 2022 |
| AsbestosHealth-basedReported 385 MFL · MCL 7 | TX2120001 | Archived | Jul 1, 2022through Sep 30, 2022 |
| Revised Total Coliform Rule | TX2120001 | Resolved | Jun 1, 2022through Jun 30, 2022 |
| AsbestosHealth-basedReported 839 MFL · MCL 7 | TX2120001 | Archived | Apr 1, 2022through Jun 30, 2022 |
| TTHMHealth-basedReported 0.081 MG/L · MCL 0.08 | TX2120001 | Resolved | Jan 1, 2022through Mar 31, 2022 |
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 Arp ZIP 75750 using 48 PPM nearby hardness and 4 reported measurement benchmarks.
Drinking water protection
Under-Sink Reverse Osmosis System
Copper (90th percentile), Asbestos, TTHM 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 Arp
Is tap water safe in Arp?+
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 48 PPM, or 2.8 grains per gallon, classified as soft. This is not a household tap measurement.
Do I need a water softener?+
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.