Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationRegional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Elk County.
Your tap water
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
EPA quarter 2026Q2
Utility-reported hardness
Unavailable
Ask your provider or test your tap
All possible systems
No active flag
0 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
1 system
Serves 2,413 people system-wide
Match the name on your water bill
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.
PA6240007 · Surface water · 2,413 people served system-wide
A municipal system, in-state city, and served county all agree with this Census ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →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.
EPA SDWIS Lead and Copper Rule samples
248% of the listed benchmark
Monitoring period: Jan 1, 2010 to Dec 31, 2010
EPA SDWIS reported health-based violation
107% of the listed benchmark
Monitoring period: Jan 1, 2024 to Mar 31, 2024
| Rule | Status | Period |
|---|---|---|
| Public Notice | Unaddressed | Apr 11, 2026 |
| Public Notice | Unaddressed | Apr 11, 2026 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Aug 27, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Public Notice | Resolved | Jan 11, 2025 to Mar 10, 2025 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2025 to Mar 31, 2025 |
| TTHM | Resolved | Jan 1, 2025 to Mar 31, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Resolved | Nov 1, 2024 to Nov 30, 2024 |
| Public Notice | Resolved | May 11, 2024 to May 29, 2024 |
| Public Notice | Resolved | Apr 11, 2024 to May 29, 2024 |
| Public Notice | Resolved | Apr 11, 2024 to May 29, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Resolved | Feb 1, 2024 to Feb 29, 2024 |
| Public Notice | Resolved | Jan 11, 2024 to Feb 21, 2024 |
| Public Notice | Resolved | Jan 11, 2024 to Feb 21, 2024 |
| Public Notice | Resolved | Jan 11, 2024 to Feb 21, 2024 |
| Public Notice | Resolved | Jan 11, 2024 to Feb 21, 2024 |
| Public Notice | Resolved | Jan 11, 2024 to Feb 21, 2024 |
| Public Notice | Resolved | Jan 11, 2024 to Feb 21, 2024 |
| Total Haloacetic Acids (HAA5)Health-based | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Jul 11, 2023 to Aug 23, 2023 |
| Public Notice | Resolved | Apr 11, 2023 to Jul 6, 2023 |
| Public Notice | Resolved | Apr 11, 2023 to Jul 6, 2023 |
| Public Notice | Resolved | Apr 11, 2023 to Jul 6, 2023 |
| Public Notice | Resolved | Apr 11, 2023 to Jul 6, 2023 |
| Public Notice | Resolved | Feb 10, 2023 to Aug 9, 2023 |
| Public Notice | Resolved | Jan 11, 2023 to Mar 22, 2023 |
| Public Notice | Resolved | Jan 11, 2023 to Mar 22, 2023 |
| Public Notice | Resolved | Jan 11, 2023 to Mar 22, 2023 |
| Public Notice | Resolved | Jan 11, 2023 to Jul 6, 2023 |
| Public Notice | Resolved | Jan 11, 2023 to Mar 22, 2023 |
| TTHM | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Arsenic | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Barium | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Cadmium | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Nickel | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Selenium | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Beryllium, Total | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| CYANIDE | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Antimony, Total | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Fluoride | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Mercury | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Thallium, Total | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Chromium | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Chlorine | Resolved | Dec 1, 2022 to Dec 31, 2022 |
| Surface Water Treatment Rule | Resolved | Dec 1, 2022 to Dec 31, 2022 |
| Public Notice | Resolved | Nov 10, 2022 to Aug 9, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Oct 25, 2022 to Mar 22, 2023 |
| Public Notice | Resolved | Oct 11, 2022 to Jul 6, 2023 |
| Public Notice | Resolved | Oct 11, 2022 to Jul 6, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| TTHM | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Gross Alpha, Excl. Radon and U | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Radium-226 | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Radium-228 | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Total Haloacetic Acids (HAA5)Health-based | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Combined Uranium | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Surface Water Treatment Rule | Resolved | Aug 1, 2022 to Aug 31, 2022 |
| Gross Alpha, Excl. Radon and U | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Radium-228 | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Total Haloacetic Acids (HAA5)Health-based | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Radium-226 | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Combined Uranium | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Interim Enhanced Surface Water Treatment Rule | Resolved | May 1, 2022 to May 31, 2022 |
| Radium-228 | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| 1,2,4-Trichlorobenzene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| cis-1,2-Dichloroethylene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Xylenes, Total | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| o-Dichlorobenzene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| p-Dichlorobenzene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| 1,1-Dichloroethylene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| trans-1,2-Dichloroethylene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Carbon tetrachloride | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| 1,2-Dichloropropane | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| 1,1,2-Trichloroethane | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Toluene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Styrene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Gross Alpha, Excl. Radon and U | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| 1,2-Dichloroethane | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Radium-226 | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Benzene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| CHLOROBENZENE | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| 1,1,1-Trichloroethane | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Nitrite | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Combined Uranium | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Ethylbenzene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Tetrachloroethylene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| DICHLOROMETHANE | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Nitrate | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Trichloroethylene | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Radium-228 | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Radium-226 | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Gross Alpha, Excl. Radon and U | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Combined Uranium | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| TTHM | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Endothall | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Interim Enhanced Surface Water Treatment Rule | Resolved | Dec 1, 2021 to Dec 31, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Nitrate | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Combined Uranium | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Methoxychlor | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Dalapon | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Endothall | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| OXAMYL | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Di(2-ethylhexyl) phthalate | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Dinoseb | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Hexachlorocyclopentadiene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Carbofuran | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Atrazine | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| LASSO | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 2,3,7,8-TCDD | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 2,4-D | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Benzo(a)pyrene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Total Polychlorinated Biphenyls (PCB) | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| ETHYLENE DIBROMIDE | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Gross Alpha, Excl. Radon and U | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Diquat | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 2,4,5-TP | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Chlordane | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Heptachlor | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Di(2-ethylhexyl) adipate | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Simazine | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Nitrite | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Toxaphene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Picloram | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Endrin | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Heptachlor epoxide | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Pentachlorophenol | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Radium-226 | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| HEXACHLOROBENZENE | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Radium-228 | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| TTHM | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Glyphosate | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| BHC-GAMMA | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Jul 1, 2021 to Sep 30, 2021 |
| TTHM | Resolved | Jul 1, 2021 to Sep 30, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Resolved | Jan 1, 2021 to Jan 31, 2021 |
| Public Notice | Unaddressed | Oct 11, 2018 |
Hardness meter
35
PPM as CaCO₃
Soft
PPM
35
GPG
2
Regional environmental evidence
USGS hardness classification scale
35 PPM
Parts per million
35
mg/L as CaCO₃ equivalent
Grains per gallon
2
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
3
Nearest site
18.9 mi
Observation range
Sep 20, 2017–Sep 10, 2025
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: Tionesta Creek at Lynch, PA (Stream).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
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Johnsonburg median
35 PPM
About the same1 indexed ZIP readings · Range 35–35 PPM
Pennsylvania median
110 PPM
75 PPM lower136 indexed ZIP readings · Range 23.6–219 PPM
Evidence-first next steps
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.
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
A reported action-level record needs context. Check its monitoring period and the utility's current report.
Find an official utility report →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
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.
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
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.