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 Carroll 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
10 systems
Serves 5,500 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.
NH0511030 · Groundwater · 5,500 people served system-wide
The system names this served city; Census place overlap links the city to this 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
7% of the listed benchmark
Monitoring period: Jan 1, 2024 to Dec 31, 2024
EPA SDWIS Lead and Copper Rule samples
120% of the listed benchmark
Monitoring period: Jul 1, 1992 to Dec 31, 1992
| Rule | Status | Period |
|---|---|---|
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| DICHLOROMETHANE | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| o-Dichlorobenzene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Carbon tetrachloride | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Trichloroethylene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Tetrachloroethylene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| CHLOROBENZENE | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Benzene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Styrene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Vinyl chloride | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Gross Alpha, Excl. Radon and U | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Ethylbenzene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Xylenes, Total | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| Toluene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
| p-Dichlorobenzene | Resolved | Jan 1, 2023 to Mar 31, 2023 |
NH0511010 · Groundwater · 2,745 people served system-wide
The system names this served city; Census place overlap links the city to this 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
113% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
| Rule | Status | Period |
|---|---|---|
| Chlorine | Resolved | Apr 1, 2021 to Jul 1, 2021 |
| Public Notice | Unaddressed | Feb 14, 2005 |
| Public Notice | Unaddressed | Feb 14, 2005 |
NH0512010 · Groundwater · 560 people served system-wide
The system names this served city; Census place overlap links the city to this 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
167% of the listed benchmark
Monitoring period: Jan 1, 2004 to Dec 31, 2006
No record returned in this imported window. This is not a guarantee of tap-water safety.
NH0512240 · Groundwater · 480 people served system-wide
The system names this served city; Census place overlap links the city to this 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.
No comparable numerical result available
Federal SDWIS data does not provide a usable numerical result and benchmark for this profile. Missing data is not a pass. Check the serving utility's current Consumer Confidence Report.
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform RuleHealth-based | Resolved | Sep 15, 2024 to Sep 17, 2024 |
| Revised Total Coliform Rule | Resolved | Sep 15, 2024 to Sep 17, 2024 |
| Revised Total Coliform RuleHealth-based | Resolved | Nov 6, 2023 to Dec 6, 2023 |
| Revised Total Coliform Rule | Resolved | Nov 6, 2023 to Dec 6, 2023 |
NH0513100 · Groundwater · 388 people served system-wide
The system names this served city; Census place overlap links the city to this 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
120% of the listed benchmark
Monitoring period: Jan 1, 2010 to Dec 31, 2012
EPA SDWIS Lead and Copper Rule samples
265% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Jul 19, 2022 |
| Dinoseb | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Carbofuran | Archived | Jan 1, 2022 to Dec 31, 2022 |
| ETHYLENE DIBROMIDE | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Heptachlor | Archived | Jan 1, 2022 to Dec 31, 2022 |
| 2,4,5-TP | Archived | Jan 1, 2022 to Dec 31, 2022 |
| BHC-GAMMA | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Toxaphene | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Simazine | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Hexachlorocyclopentadiene | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Atrazine | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Endrin | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Glyphosate | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Di(2-ethylhexyl) phthalate | Archived | Jan 1, 2022 to Dec 31, 2022 |
| HEXACHLOROBENZENE | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Methoxychlor | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Chlordane | Archived | Jan 1, 2022 to Dec 31, 2022 |
| OXAMYL | Archived | Jan 1, 2022 to Dec 31, 2022 |
| 2,4-D | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Di(2-ethylhexyl) adipate | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Pentachlorophenol | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Picloram | Archived | Jan 1, 2022 to Dec 31, 2022 |
| LASSO | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Heptachlor epoxide | Archived | Jan 1, 2022 to Dec 31, 2022 |
| 1,2-DIBROMO-3-CHLOROPROPANE | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Benzo(a)pyrene | Archived | Jan 1, 2022 to Dec 31, 2022 |
| Lead and Copper Rule | Resolved | Oct 1, 2021 to Oct 11, 2021 |
NH0512250 · Groundwater · 240 people served system-wide
The system names this served city; Census place overlap links the city to this 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.
No comparable numerical result available
Federal SDWIS data does not provide a usable numerical result and benchmark for this profile. Missing data is not a pass. Check the serving utility's current Consumer Confidence Report.
No record returned in this imported window. This is not a guarantee of tap-water safety.
NH0512270 · Groundwater · 220 people served system-wide
The system names this served city; Census place overlap links the city to this 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.
No comparable numerical result available
Federal SDWIS data does not provide a usable numerical result and benchmark for this profile. Missing data is not a pass. Check the serving utility's current Consumer Confidence Report.
No record returned in this imported window. This is not a guarantee of tap-water safety.
NH0512130 · Groundwater · 185 people served system-wide
The system names this served city; Census place overlap links the city to this 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
113% of the listed benchmark
Monitoring period: Jul 1, 2011 to Dec 31, 2011
EPA SDWIS Lead and Copper Rule samples
377% of the listed benchmark
Monitoring period: Jul 1, 2011 to Dec 31, 2011
No record returned in this imported window. This is not a guarantee of tap-water safety.
NH0512080 · Groundwater · 155 people served system-wide
The system names this served city; Census place overlap links the city to this 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
229% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
No record returned in this imported window. This is not a guarantee of tap-water safety.
NH0512030 · Groundwater · 153 people served system-wide
The system names this served city; Census place overlap links the city to this 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
113% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
No record returned in this imported window. This is not a guarantee of tap-water safety.
Hardness meter
15.5
PPM as CaCO₃
Soft
PPM
15.5
GPG
0.9
Regional environmental evidence
USGS hardness classification scale
15.5 PPM
Parts per million
15.5
mg/L as CaCO₃ equivalent
Grains per gallon
0.9
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
1
Nearest site
6.4 mi
Observation range
Sep 11, 2019–Sep 11, 2019
Regional evidence confidence
Low
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: NH-CWW 9 (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
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Conway median
16 PPM
About the same2 indexed ZIP readings · Range 15.5–15.5 PPM
New Hampshire median
43 PPM
27 PPM lower75 indexed ZIP readings · Range 3.2–150 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 →Nearby indexed reports
Estimates can differ across a city because monitoring locations and associated systems differ.
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.