City water profile

Water hardness in Cairo

Find official utility reports, understand hardness, and check the water system serving your home in Cairo, New York.

Utility-reported hardness

Not yet available

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State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 7
Active health records: 1

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 →

Convert a hardness result →Test your tap →

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

Below action level

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

Above action level

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)

Imported violation history for Cairo Water District
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

Below action level

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

Above action level

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 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)

Imported violation history for Country Estates (in Cairo)
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

Above action level

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

Above action level

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 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)

Imported violation history for Woodlands At Cairo Apts
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

Below action level

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

Above action level

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)

Imported violation history for Glenwood Townhouses
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

Below action level

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)

Imported violation history for Woodland Apts At Cairo North
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

Below action level

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

Above action level

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

Below action level

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)

Imported violation history for Tf Cairo Apartments
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

City summary

What the indexed records say

Cairo has 2 published ZIP profiles across Greene County. The regional-evidence median is 128 PPM. The city does not meet the stricter comparison standard.

The 125–130 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard2 ZIPs

Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 3 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Oct 19, 2016 to Sep 22, 2021.

ZIP directory

Water reports in Cairo

Open a ZIP for site-level provenance and measurements.

ZIP code

12413

Hard

130 PPM

Nearest site: 0.2 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

12470

Hard

125 PPM

Nearest site: 3 mi
Confidence: Moderate

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

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Questions people ask

About water in Cairo

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.