Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Conway, NH 03818
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Carroll County.
Historical measurement record needs context
- Largest possible serving system
- North Conway Water Pct
- Source water
- Groundwater
- County
- Carroll County
- Profile updated
Your tap water
What does the utility report?
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
What the current records say
EPA quarter 2026Q2
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
Your utility’s measurements and compliance records
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.
North Conway Water Pct
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 →Measurements (2)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.001 mg/L
- Action level
- 0.015 mg/L
7% of the listed benchmark
Monitoring period: Jan 1, 2024 to Dec 31, 2024
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.56 mg/L
- Action level
- 1.3 mg/L
120% of the listed benchmark
Monitoring period: Jul 1, 1992 to Dec 31, 1992
Violation history (22)
| 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 |
Conway Water And Sewer
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 →Measurements (1)
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.
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.47 mg/L
- Action level
- 1.3 mg/L
113% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Chlorine | Resolved | Apr 1, 2021 to Jul 1, 2021 |
| Public Notice | Unaddressed | Feb 14, 2005 |
| Public Notice | Unaddressed | Feb 14, 2005 |
Birch Hill East
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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.025 mg/L
- Action level
- 0.015 mg/L
167% of the listed benchmark
Monitoring period: Jan 1, 2004 to Dec 31, 2006
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Rockhouse Mountain
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 →Measurements (0)
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.
Violation history (4)
| 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 |
Mountain Vale Village Mhp
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 →Measurements (2)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.018 mg/L
- Action level
- 0.015 mg/L
120% of the listed benchmark
Monitoring period: Jan 1, 2010 to Dec 31, 2012
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 3.44 mg/L
- Action level
- 1.3 mg/L
265% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
Violation history (27)
| 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 |
Saco Woods Condos
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 →Measurements (0)
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.
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Hale Estates
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 →Measurements (0)
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.
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Woodland Grove
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 →Measurements (2)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.017 mg/L
- Action level
- 0.015 mg/L
113% of the listed benchmark
Monitoring period: Jul 1, 2011 to Dec 31, 2011
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 4.9 mg/L
- Action level
- 1.3 mg/L
377% of the listed benchmark
Monitoring period: Jul 1, 2011 to Dec 31, 2011
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Rebecca Lane Water Sys
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 →Measurements (1)
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.
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 2.98 mg/L
- Action level
- 1.3 mg/L
229% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Cathedral Ledge
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 →Measurements (1)
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.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.017 mg/L
- Action level
- 0.015 mg/L
113% of the listed benchmark
Monitoring period: Jul 1, 1993 to Dec 31, 1993
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Hardness meter
What does nearby environmental evidence show?
15.5
PPM as CaCO₃
Soft
PPM
15.5
GPG
0.9
Regional environmental evidence
USGS hardness classification scale
15.5 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
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
9.4 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
Is 03818 typical?
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
Confirm the problem before choosing treatment
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.
Confirm the serving system
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
Read the current utility report
A reported action-level record needs context. Check its monitoring period and the utility's current report.
Find an official utility report →Test for the decision you face
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
More local profiles in Conway
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Conway
Is tap water safe in Conway?+
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?+
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Do I need a water softener?+
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.