Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationWater quality in Cairo, NY 12470
Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Greene County.
1 active health-based record(s) across possible systems
- Largest possible serving system
- Cairo Water District
- Source water
- Groundwater influenced by surface 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
Review needed
1 active health-based record
Measurements by utility
Each result belongs to a specific system.
Utility match
7 systems
Serves 1,400 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.
Cairo Water District
NY1900025 · Groundwater influenced by surface water · 1,400 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
- 0.003 mg/L
- Action level
- 0.015 mg/L
20% 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
- 1.56 mg/L
- Action level
- 1.3 mg/L
120% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2021
Violation history (7)
| Rule | Status | Period |
|---|---|---|
| Surface Water Treatment RuleHealth-based | Resolved | Jul 22, 2025 to Oct 29, 2025 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Jan 15, 2026 |
| Consumer Confidence Rule | Resolved | Jan 1, 2024 to Oct 29, 2025 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2023 to Jan 31, 2023 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2022 to Jun 30, 2022 |
| Revised Total Coliform Rule | Resolved | Nov 1, 2021 to Nov 30, 2021 |
| Consumer Confidence Rule | Resolved | Jan 1, 2021 to Mar 14, 2022 |
Country Estates (in Cairo)
NY1919224 · Groundwater · 201 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 (3)
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
- 0.0012 mg/L
- Action level
- 0.015 mg/L
8% 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
- 1.66 mg/L
- Action level
- 1.3 mg/L
128% of the listed benchmark
Monitoring period: Jan 1, 2003 to Dec 31, 2003
Tetrachloroethylene
EPA SDWIS reported health-based violation
- Reported level
- 8.5 UG/L
- Maximum contaminant level
- 0.005 UG/L
170000% of the listed benchmark
Monitoring period: Jul 1, 2022 to Sep 30, 2022
Violation history (67)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Archived | Jan 1, 2025 to Jan 31, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Mar 13, 2023 |
| TetrachloroethyleneHealth-based | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Consumer Confidence Rule | Resolved | Jan 1, 2022 to Mar 13, 2023 |
| o-Dichlorobenzene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 1,1-Dichloroethylene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| trans-1,2-Dichloroethylene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloroethane | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Carbon tetrachloride | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 1,2-Dichloropropane | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Trichloroethylene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 1,1,2-Trichloroethane | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Tetrachloroethylene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| CHLOROBENZENE | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Ethylbenzene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| p-Dichlorobenzene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| DICHLOROMETHANE | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| cis-1,2-Dichloroethylene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Benzene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Styrene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 1,1,1-Trichloroethane | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Toluene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Vinyl chloride | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| 1,2,4-Trichlorobenzene | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Mar 15, 2022 |
| Arsenic | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Chromium | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| CYANIDE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Mercury | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Fluoride | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Beryllium, Total | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Thallium, Total | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Endrin | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| BHC-GAMMA | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Toxaphene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Simazine | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Di(2-ethylhexyl) phthalate | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Hexachlorocyclopentadiene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Carbofuran | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Aldicarb | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Atrazine | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Heptachlor | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 2,4,5-TP | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Benzo(a)pyrene | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Pentachlorophenol | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Total Polychlorinated Biphenyls (PCB) | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Consumer Confidence Rule | Resolved | Jan 1, 2021 to Mar 15, 2022 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2021 to Jan 31, 2021 |
| Antimony, Total | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Heptachlor epoxide | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Chlordane | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| 2,4-D | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Cadmium | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| ETHYLENE DIBROMIDE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Barium | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| LASSO | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Methoxychlor | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| HEXACHLOROBENZENE | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Nickel | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Di(2-ethylhexyl) adipate | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Dinoseb | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| OXAMYL | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Picloram | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Aldicarb sulfone | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Selenium | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Aldicarb sulfoxide | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Dalapon | Resolved | Jan 1, 2021 to Dec 31, 2021 |
Woodlands At Cairo Apts
NY1905404 · Groundwater · 90 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
1 reported active health-based record(s) for this system
Find this utility’s official report →Measurements (3)
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
- 0.066 mg/L
- Action level
- 0.015 mg/L
440% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 2.4 mg/L
- Action level
- 1.3 mg/L
185% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Arsenic
EPA SDWIS reported health-based violation
- Reported level
- 20.4 UG/L
- Maximum contaminant level
- 0.01 UG/L
204000% of the listed benchmark
Monitoring period: Apr 1, 2025 to Jun 30, 2025
Violation history (22)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Resolved | Dec 1, 2025 to Dec 31, 2025 |
| Consumer Confidence Rule | Addressed | Sep 1, 2025 |
| Public Notice | Resolved | Jul 14, 2025 to Aug 10, 2025 |
| Lead and Copper Rule | Addressed | Jul 9, 2025 |
| Consumer Confidence Rule | Addressed | Jul 1, 2025 |
| ArsenicHealth-based | Archived | Apr 1, 2025 to Jun 30, 2025 |
| ArsenicHealth-based | Archived | Jan 1, 2025 to Mar 31, 2025 |
| Public Notice | Resolved | Dec 18, 2024 to Jul 28, 2025 |
| Lead and Copper RuleHealth-based | Addressed | Nov 30, 2024 |
| Lead and Copper Rule | Addressed | Oct 13, 2024 |
| ArsenicHealth-based | Archived | Oct 1, 2024 to Dec 31, 2024 |
| ArsenicHealth-based | Archived | Jul 1, 2024 to Sep 30, 2024 |
| Revised Total Coliform Rule | Archived | Jun 1, 2024 to Jun 30, 2024 |
| ArsenicHealth-based | Archived | Apr 1, 2024 to Jun 30, 2024 |
| Revised Total Coliform Rule | Archived | Mar 1, 2024 to Mar 31, 2024 |
| Revised Total Coliform Rule | Archived | Feb 1, 2024 to Feb 29, 2024 |
| ArsenicHealth-based | Archived | Jan 1, 2024 to Mar 31, 2024 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2023 to Aug 31, 2023 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2023 to Jul 31, 2023 |
| Revised Total Coliform Rule | Resolved | May 1, 2023 to May 31, 2023 |
| TTHM | Resolved | Jan 1, 2021 to Dec 31, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2021 to Dec 31, 2021 |
Glenwood Townhouses
NY1922367 · Groundwater · 76 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, 2025 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 1.49 mg/L
- Action level
- 1.3 mg/L
115% of the listed benchmark
Monitoring period: Jan 1, 2012 to Dec 31, 2014
Violation history (51)
| Rule | Status | Period |
|---|---|---|
| Lead and Copper Rule | Unaddressed | Oct 1, 2024 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2024 to Aug 31, 2024 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2024 to Jun 30, 2024 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2024 to Mar 31, 2024 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2024 |
| Nitrate | Archived | Jan 1, 2024 to Dec 31, 2024 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2023 to Feb 28, 2023 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| p-Dichlorobenzene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Vinyl chloride | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Tetrachloroethylene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| CHLOROBENZENE | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Benzene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Toluene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Ethylbenzene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Styrene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Consumer Confidence Rule | Resolved | Jan 1, 2022 to Mar 13, 2023 |
| Carbon tetrachloride | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| o-Dichlorobenzene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Trichloroethylene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| DICHLOROMETHANE | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Revised Total Coliform Rule | Resolved | May 1, 2021 to May 31, 2021 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2021 to Apr 30, 2021 |
| cis-1,2-Dichloroethylene | 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 |
| p-Dichlorobenzene | 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 |
| Carbon tetrachloride | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1,2-Trichloroethane | 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 |
| Styrene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Consumer Confidence Rule | Resolved | Jan 1, 2021 to Aug 20, 2025 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Trichloroethylene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Ethylbenzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Benzene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Toluene | Resolved | Jan 1, 2021 to Mar 31, 2021 |
| Vinyl chloride | Resolved | Jan 1, 2021 to Mar 31, 2021 |
Woodland Apts At Cairo North
NY1916985 · Groundwater · 38 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
- 0.0043 mg/L
- Action level
- 0.015 mg/L
29% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (14)
| Rule | Status | Period |
|---|---|---|
| Revised Total Coliform Rule | Archived | Jan 1, 2026 to Jan 31, 2026 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2025 to Sep 30, 2025 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2024 to Dec 31, 2024 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2024 to Oct 31, 2024 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2024 to Sep 30, 2024 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2024 to Aug 31, 2024 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2024 to Jul 31, 2024 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2024 to Jun 30, 2024 |
| Revised Total Coliform Rule | Resolved | Mar 1, 2024 to Mar 31, 2024 |
| Revised Total Coliform Rule | Resolved | Feb 1, 2024 to Feb 29, 2024 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2024 |
| Revised Total Coliform Rule | Resolved | May 1, 2023 to May 31, 2023 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2021 to Apr 30, 2021 |
Creekside Apartments
NY1901873 · Groundwater · 37 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
- 2.84 mg/L
- Action level
- 1.3 mg/L
218% of the listed benchmark
Monitoring period: Jan 1, 2019 to Dec 31, 2021
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Tf Cairo Apartments
NY1922996 · Groundwater · 25 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
- 0.0037 mg/L
- Action level
- 0.015 mg/L
25% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (5)
| Rule | Status | Period |
|---|---|---|
| Consumer Confidence Rule | Unaddressed | Jul 1, 2024 |
| Consumer Confidence Rule | Unaddressed | Jan 1, 2024 |
| 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 |
Hardness meter
What does nearby environmental evidence show?
125
PPM as CaCO₃
Hard
PPM
125
GPG
7.3
Regional environmental evidence
USGS hardness classification scale
125 PPM
Soft
0–60Moderate
61–120Hard
121–180Very hard
181+
0–60Moderate
61–120Hard
121–180Very hard
181+
Parts per million
125
mg/L as CaCO₃ equivalent
Grains per gallon
7.3
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
13
Nearest site
3 mi
Observation range
Oct 19, 2016–Sep 22, 2021
Regional evidence confidence
Moderate
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: G2189 (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 12470 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Cairo median
128 PPM
About the same2 indexed ZIP readings · Range 125–130 PPM
New York median
147 PPM
22 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
An active health-based record is present. Follow the utility's current notice and public-health instructions.
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 Cairo
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
Water questions for Cairo
Is tap water safe in Cairo?+
EPA ECHO reports 1 active health-based violation among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
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.