Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Windham, NY 12496
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Greene County.
Historical measurement record needs context
- Largest possible serving system
- Ski Windham
- Source water
- Groundwater
- County
- Greene 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
7 systems
Serves 856 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.
Ski Windham
NY1911541 · Groundwater · 856 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
- 0.026 mg/L
- Action level
- 0.015 mg/L
173% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.8 mg/L
- Action level
- 1.3 mg/L
138% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (6)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Archived | Jan 1, 2026 to Jan 31, 2026 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2025 to Jan 31, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2024 to Sep 30, 2024 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2022 to Nov 30, 2022 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2021 to Jul 31, 2021 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2021 to Feb 28, 2021 |
Windham Mountain Village
NY1920318 · Groundwater · 545 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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.79 mg/L
- Action level
- 1.3 mg/L
138% of the listed benchmark
Monitoring period: Jan 1, 2015 to Jun 30, 2015
Violation history (11)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Sep 2, 2025 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2025 to Mar 31, 2025 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2024 to Dec 31, 2024 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Mar 15, 2023 |
| Consumer Confidence Rule | Resolved | Jan 1, 2022 to Mar 15, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Mar 15, 2022 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2021 to Apr 30, 2021 |
| Consumer Confidence Rule | Resolved | Jan 1, 2021 to Mar 15, 2022 |
Hensonville (windham W.d.)
NY1900029 · Groundwater · 490 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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (5)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Archived | Jan 1, 2026 to Jan 31, 2026 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2025 to Jun 30, 2025 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2024 to Dec 31, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Jan 10, 2025 |
| Lead and Copper Rule | Resolved | Jan 1, 2021 to Aug 18, 2021 |
Windham Ridge
NY1921944 · Groundwater · 456 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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2020 to Dec 31, 2022
Violation history (39)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Archived | Mar 1, 2026 to Mar 31, 2026 |
| Revised Total Coliform Rule | Archived | Feb 1, 2026 to Feb 28, 2026 |
| Revised Total Coliform Rule | Archived | Jan 1, 2026 to Jan 31, 2026 |
| Revised Total Coliform Rule | Archived | Dec 1, 2025 to Dec 31, 2025 |
| Revised Total Coliform Rule | Archived | Nov 1, 2025 to Nov 30, 2025 |
| Revised Total Coliform Rule | Archived | Oct 1, 2025 to Oct 31, 2025 |
| Revised Total Coliform Rule | Archived | Aug 1, 2025 to Aug 31, 2025 |
| Revised Total Coliform Rule | Archived | Jul 1, 2025 to Jul 31, 2025 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| Revised Total Coliform Rule | Archived | Jun 1, 2025 to Jun 30, 2025 |
| Revised Total Coliform Rule | Archived | May 1, 2025 to May 31, 2025 |
| Revised Total Coliform Rule | Archived | Apr 1, 2025 to Apr 30, 2025 |
| Revised Total Coliform Rule | Archived | Mar 1, 2025 to Mar 31, 2025 |
| Revised Total Coliform Rule | Archived | Feb 1, 2025 to Feb 28, 2025 |
| Nitrate | Archived | Jan 1, 2025 to Dec 31, 2025 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2025 |
| Revised Total Coliform Rule | Archived | Jan 1, 2025 to Jan 31, 2025 |
| Revised Total Coliform Rule | Archived | Dec 1, 2024 to Dec 31, 2024 |
| Revised Total Coliform Rule | Archived | Nov 1, 2024 to Nov 30, 2024 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2024 |
| Lead and Copper Rule | Unaddressed | Oct 1, 2023 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2023 to Aug 31, 2023 |
| CYANIDE | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Mercury | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Nickel | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Antimony, Total | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Thallium, Total | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Selenium | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Barium | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Arsenic | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Beryllium, Total | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Fluoride | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Cadmium | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Chromium | Archived | Jan 1, 2023 to Dec 31, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Mar 15, 2023 |
| Consumer Confidence Rule | Resolved | Jan 1, 2022 to Mar 15, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Mar 15, 2022 |
| Consumer Confidence Rule | Resolved | Jan 1, 2021 to Mar 15, 2022 |
Windham Water District
NY1900032 · Groundwater · 420 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
- 0.0032 mg/L
- Action level
- 0.015 mg/L
21% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Violation history (26)
| Rule | Status | Period |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Jan 10, 2025 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2022 to Nov 30, 2022 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2022 to Apr 30, 2022 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2021 to Nov 30, 2021 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2021 to Jul 31, 2021 |
| Lead and Copper Rule | Resolved | Jul 1, 2021 to Mar 14, 2022 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| o-Dichlorobenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| p-Dichlorobenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Vinyl chloride | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Carbon tetrachloride | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Trichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Tetrachloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| CHLOROBENZENE | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Benzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Toluene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| DICHLOROMETHANE | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Styrene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Ethylbenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Crystal Pond Water Works
NY1922836 · Groundwater · 250 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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (37)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Sep 2, 2025 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| TTHM | Archived | Apr 1, 2025 to Jun 30, 2025 |
| Total Haloacetic Acids (HAA5) | Archived | Apr 1, 2025 to Jun 30, 2025 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2024 to Dec 31, 2024 |
| Total Haloacetic Acids (HAA5) | Archived | Oct 1, 2024 to Dec 31, 2024 |
| TTHM | Archived | Oct 1, 2024 to Dec 31, 2024 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Mar 13, 2023 |
| Consumer Confidence Rule | Resolved | Jan 1, 2022 to Mar 13, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Mar 15, 2022 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2021 to Jun 30, 2021 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2021 to Apr 30, 2021 |
| TTHM | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| DICHLOROMETHANE | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| o-Dichlorobenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Vinyl chloride | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Carbon tetrachloride | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Trichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| CHLOROBENZENE | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Ethylbenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Consumer Confidence Rule | Resolved | Jan 1, 2021 to Mar 15, 2022 |
| Tetrachloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Styrene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Toluene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Benzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| p-Dichlorobenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Quads At Windham
NY1921452 · Groundwater · 166 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 mg/L
- Action level
- 0.015 mg/L
0% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Arsenic
EPA SDWIS reported health-based violation
- Reported level
- 11.6 UG/L
- Maximum contaminant level
- 0.01 UG/L
116000% of the listed benchmark
Monitoring period: Oct 1, 2022 to Dec 31, 2022
Violation history (15)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Sep 2, 2025 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2025 to Jul 31, 2025 |
| Arsenic | Archived | Jul 1, 2025 to Sep 30, 2025 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2025 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2024 to Dec 31, 2024 |
| Lead and Copper Rule | Unaddressed | Oct 1, 2024 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2024 |
| ArsenicHealth-based | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| ArsenicHealth-based | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Mar 13, 2023 |
| Consumer Confidence Rule | Resolved | Jan 1, 2022 to Mar 13, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Mar 15, 2022 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2021 to Apr 30, 2021 |
| Consumer Confidence Rule | Resolved | Jan 1, 2021 to Mar 15, 2022 |
Hardness meter
What does nearby environmental evidence show?
71.4
PPM as CaCO₃
Moderately Hard
PPM
71.4
GPG
4.2
Regional environmental evidence
USGS hardness classification scale
71.4 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
71.4
mg/L as CaCO₃ equivalent
Grains per gallon
4.2
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
15
Nearest site
8.2 mi
Observation range
Oct 19, 2016–Sep 23, 2021
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: G 128 (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 12496 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Windham median
71 PPM
About the same1 indexed ZIP readings · Range 71.4–71.4 PPM
New York median
147 PPM
76 PPM lower810 indexed ZIP readings · Range 5.5–1070 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 →Frequently asked
Water questions for Windham
Is tap water safe in Windham?+
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.