City water profile

Water hardness in Klamath Falls

Find official utility reports, understand hardness, and check the water system serving your home in Klamath Falls, Oregon.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 0

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.

Klamath Falls Water Dept

OR4100443 · Groundwater · 40,475 people served system-wide

A municipal system, in-state city, and served county all agree with this Census 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 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (199)

Imported violation history for Klamath Falls Water Dept
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Feb 1, 2025 to Feb 28, 2025
Consumer Confidence Rule	Resolved	Oct 1, 2024 to Nov 8, 2024
Revised Total Coliform Rule	Resolved	Sep 1, 2024 to Sep 30, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Jul 3, 2023
BHC-GAMMA	Resolved	Jan 1, 2023 to Dec 31, 2025
Methoxychlor	Resolved	Jan 1, 2023 to Dec 31, 2025
Toxaphene	Resolved	Jan 1, 2023 to Dec 31, 2025
Endothall	Resolved	Jan 1, 2023 to Dec 31, 2025
OXAMYL	Resolved	Jan 1, 2023 to Dec 31, 2025
Simazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Picloram	Resolved	Jan 1, 2023 to Dec 31, 2025
Hexachlorocyclopentadiene	Resolved	Jan 1, 2023 to Dec 31, 2025
Carbofuran	Resolved	Jan 1, 2023 to Dec 31, 2025
LASSO	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor epoxide	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4,5-TP	Resolved	Jan 1, 2023 to Dec 31, 2025
HEXACHLOROBENZENE	Resolved	Jan 1, 2023 to Dec 31, 2025
Benzo(a)pyrene	Resolved	Jan 1, 2023 to Dec 31, 2025
Chlordane	Resolved	Jan 1, 2023 to Dec 31, 2025
Endrin	Resolved	Jan 1, 2023 to Dec 31, 2025
BHC-GAMMA	Resolved	Jan 1, 2023 to Dec 31, 2025
Dalapon	Resolved	Jan 1, 2023 to Dec 31, 2025
Diquat	Resolved	Jan 1, 2023 to Dec 31, 2025
Endothall	Resolved	Jan 1, 2023 to Dec 31, 2025
Glyphosate	Resolved	Jan 1, 2023 to Dec 31, 2025
Simazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Picloram	Resolved	Jan 1, 2023 to Dec 31, 2025
Dinoseb	Resolved	Jan 1, 2023 to Dec 31, 2025
Hexachlorocyclopentadiene	Resolved	Jan 1, 2023 to Dec 31, 2025
Carbofuran	Resolved	Jan 1, 2023 to Dec 31, 2025
LASSO	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor epoxide	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4-D	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4,5-TP	Resolved	Jan 1, 2023 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Resolved	Jan 1, 2023 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2023 to Dec 31, 2025
Chlordane	Resolved	Jan 1, 2023 to Dec 31, 2025
Endrin	Resolved	Jan 1, 2023 to Dec 31, 2025
BHC-GAMMA	Resolved	Jan 1, 2023 to Dec 31, 2025
Methoxychlor	Resolved	Jan 1, 2023 to Dec 31, 2025
Toxaphene	Resolved	Jan 1, 2023 to Dec 31, 2025
Dalapon	Resolved	Jan 1, 2023 to Dec 31, 2025
Diquat	Resolved	Jan 1, 2023 to Dec 31, 2025
Endothall	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2023 to Dec 31, 2025
OXAMYL	Resolved	Jan 1, 2023 to Dec 31, 2025
Simazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Dinoseb	Resolved	Jan 1, 2023 to Dec 31, 2025
Carbofuran	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor epoxide	Resolved	Jan 1, 2023 to Dec 31, 2025
HEXACHLOROBENZENE	Resolved	Jan 1, 2023 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Resolved	Jan 1, 2023 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2023 to Dec 31, 2025
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2023 to Dec 31, 2025
Chlordane	Resolved	Jan 1, 2023 to Dec 31, 2025
Endrin	Resolved	Jan 1, 2023 to Dec 31, 2025
BHC-GAMMA	Resolved	Jan 1, 2023 to Dec 31, 2025
Toxaphene	Resolved	Jan 1, 2023 to Dec 31, 2025
Dalapon	Resolved	Jan 1, 2023 to Dec 31, 2025
Diquat	Resolved	Jan 1, 2023 to Dec 31, 2025
Endothall	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2023 to Dec 31, 2025
Picloram	Resolved	Jan 1, 2023 to Dec 31, 2025
Dinoseb	Resolved	Jan 1, 2023 to Dec 31, 2025
Hexachlorocyclopentadiene	Resolved	Jan 1, 2023 to Dec 31, 2025
LASSO	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4-D	Resolved	Jan 1, 2023 to Dec 31, 2025
HEXACHLOROBENZENE	Resolved	Jan 1, 2023 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Resolved	Jan 1, 2023 to Dec 31, 2025
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2023 to Dec 31, 2025
Chlordane	Resolved	Jan 1, 2023 to Dec 31, 2025
BHC-GAMMA	Resolved	Jan 1, 2023 to Dec 31, 2025
Toxaphene	Resolved	Jan 1, 2023 to Dec 31, 2025
Dalapon	Resolved	Jan 1, 2023 to Dec 31, 2025
Glyphosate	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2023 to Dec 31, 2025
OXAMYL	Resolved	Jan 1, 2023 to Dec 31, 2025
Simazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2023 to Dec 31, 2025
Picloram	Resolved	Jan 1, 2023 to Dec 31, 2025
Hexachlorocyclopentadiene	Resolved	Jan 1, 2023 to Dec 31, 2025
Atrazine	Resolved	Jan 1, 2023 to Dec 31, 2025
LASSO	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4-D	Resolved	Jan 1, 2023 to Dec 31, 2025
HEXACHLOROBENZENE	Resolved	Jan 1, 2023 to Dec 31, 2025
Pentachlorophenol	Resolved	Jan 1, 2023 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Resolved	Jan 1, 2023 to Dec 31, 2025
Chlordane	Resolved	Jan 1, 2023 to Dec 31, 2025
Endothall	Archived	Jan 1, 2023 to Dec 31, 2025
Vinyl chloride	Archived	Jan 1, 2023 to Dec 31, 2025
Hexachlorocyclopentadiene	Archived	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Archived	Jan 1, 2023 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jan 1, 2023 to Dec 31, 2025
DICHLOROMETHANE	Archived	Jan 1, 2023 to Dec 31, 2025
Trichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
BHC-GAMMA	Archived	Jan 1, 2023 to Dec 31, 2025
trans-1,2-Dichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
ETHYLENE DIBROMIDE	Archived	Jan 1, 2023 to Dec 31, 2025
Heptachlor epoxide	Archived	Jan 1, 2023 to Dec 31, 2025
Xylenes, Total	Archived	Jan 1, 2023 to Dec 31, 2025
Carbofuran	Archived	Jan 1, 2023 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Archived	Jan 1, 2023 to Dec 31, 2025
Dinoseb	Archived	Jan 1, 2023 to Dec 31, 2025
Glyphosate	Archived	Jan 1, 2023 to Dec 31, 2025
Ethylbenzene	Archived	Jan 1, 2023 to Dec 31, 2025
1,2-Dichloropropane	Archived	Jan 1, 2023 to Dec 31, 2025
o-Dichlorobenzene	Archived	Jan 1, 2023 to Dec 31, 2025
Chlordane	Archived	Jan 1, 2023 to Dec 31, 2025
Pentachlorophenol	Archived	Jan 1, 2023 to Dec 31, 2025
Endrin	Archived	Jan 1, 2023 to Dec 31, 2025
Styrene	Archived	Jan 1, 2023 to Dec 31, 2025
LASSO	Archived	Jan 1, 2023 to Dec 31, 2025
2,4-D	Archived	Jan 1, 2023 to Dec 31, 2025
Diquat	Archived	Jan 1, 2023 to Dec 31, 2025
cis-1,2-Dichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
Carbon tetrachloride	Archived	Jan 1, 2023 to Dec 31, 2025
Tetrachloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
1,1-Dichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
Dalapon	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2023 to Dec 31, 2025
Picloram	Resolved	Jan 1, 2023 to Dec 31, 2025
Hexachlorocyclopentadiene	Resolved	Jan 1, 2023 to Dec 31, 2025
Pentachlorophenol	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor epoxide	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4,5-TP	Resolved	Jan 1, 2023 to Dec 31, 2025
1,2,4-Trichlorobenzene	Archived	Jan 1, 2023 to Dec 31, 2025
Atrazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Benzo(a)pyrene	Resolved	Jan 1, 2023 to Dec 31, 2025
OXAMYL	Archived	Jan 1, 2023 to Dec 31, 2025
Toluene	Archived	Jan 1, 2023 to Dec 31, 2025
Atrazine	Archived	Jan 1, 2023 to Dec 31, 2025
Carbofuran	Resolved	Jan 1, 2023 to Dec 31, 2025
1,1,1-Trichloroethane	Archived	Jan 1, 2023 to Dec 31, 2025
Pentachlorophenol	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4,5-TP	Resolved	Jan 1, 2023 to Dec 31, 2025
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2023 to Dec 31, 2025
Atrazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Carbofuran	Resolved	Jan 1, 2023 to Dec 31, 2025
Atrazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor	Archived	Jan 1, 2023 to Dec 31, 2025
Methoxychlor	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor	Resolved	Jan 1, 2023 to Dec 31, 2025
OXAMYL	Resolved	Jan 1, 2023 to Dec 31, 2025
HEXACHLOROBENZENE	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2023 to Dec 31, 2025
Glyphosate	Resolved	Jan 1, 2023 to Dec 31, 2025
OXAMYL	Resolved	Jan 1, 2023 to Dec 31, 2025
Endrin	Resolved	Jan 1, 2023 to Dec 31, 2025
Methoxychlor	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4-D	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor epoxide	Resolved	Jan 1, 2023 to Dec 31, 2025
Methoxychlor	Archived	Jan 1, 2023 to Dec 31, 2025
Diquat	Resolved	Jan 1, 2023 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2023 to Dec 31, 2025
HEXACHLOROBENZENE	Archived	Jan 1, 2023 to Dec 31, 2025
Dinoseb	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4,5-TP	Resolved	Jan 1, 2023 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2023 to Dec 31, 2025
Diquat	Resolved	Jan 1, 2023 to Dec 31, 2025
CHLOROBENZENE	Archived	Jan 1, 2023 to Dec 31, 2025
Atrazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Benzo(a)pyrene	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Archived	Jan 1, 2023 to Dec 31, 2025
Heptachlor	Resolved	Jan 1, 2023 to Dec 31, 2025
Dinoseb	Resolved	Jan 1, 2023 to Dec 31, 2025
Toxaphene	Archived	Jan 1, 2023 to Dec 31, 2025
Picloram	Archived	Jan 1, 2023 to Dec 31, 2025
Glyphosate	Resolved	Jan 1, 2023 to Dec 31, 2025
Glyphosate	Resolved	Jan 1, 2023 to Dec 31, 2025
Heptachlor	Resolved	Jan 1, 2023 to Dec 31, 2025
Benzo(a)pyrene	Resolved	Jan 1, 2023 to Dec 31, 2025
Endothall	Resolved	Jan 1, 2023 to Dec 31, 2025
1,2-Dichloroethane	Archived	Jan 1, 2023 to Dec 31, 2025
Simazine	Resolved	Jan 1, 2023 to Dec 31, 2025
Pentachlorophenol	Resolved	Jan 1, 2023 to Dec 31, 2025
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2023 to Dec 31, 2025
1,1,2-Trichloroethane	Archived	Jan 1, 2023 to Dec 31, 2025
2,4,5-TP	Archived	Jan 1, 2023 to Dec 31, 2025
LASSO	Resolved	Jan 1, 2023 to Dec 31, 2025
Dalapon	Archived	Jan 1, 2023 to Dec 31, 2025
Simazine	Archived	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Resolved	Jan 1, 2023 to Dec 31, 2025
Pentachlorophenol	Resolved	Jan 1, 2023 to Dec 31, 2025
Methoxychlor	Resolved	Jan 1, 2023 to Dec 31, 2025
Benzene	Archived	Jan 1, 2023 to Dec 31, 2025
Toxaphene	Resolved	Jan 1, 2023 to Dec 31, 2025
ETHYLENE DIBROMIDE	Resolved	Jan 1, 2023 to Dec 31, 2025
Benzo(a)pyrene	Resolved	Jan 1, 2023 to Dec 31, 2025
Benzo(a)pyrene	Archived	Jan 1, 2023 to Dec 31, 2025
p-Dichlorobenzene	Archived	Jan 1, 2023 to Dec 31, 2025
Endrin	Resolved	Jan 1, 2023 to Dec 31, 2025
Di(2-ethylhexyl) adipate	Resolved	Jan 1, 2023 to Dec 31, 2025
Total Polychlorinated Biphenyls (PCB)	Resolved	Jan 1, 2023 to Dec 31, 2025
2,4-D	Resolved	Jan 1, 2023 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Resolved	Jan 1, 2023 to Dec 31, 2025

City summary

What the indexed records say

Klamath Falls has 1 published ZIP profile across Klamath County. The regional-evidence median is 27 PPM. The city does not meet the stricter comparison standard.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft1 ZIP

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 10.7 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Sep 13, 2024 to Oct 10, 2024.

ZIP directory

Water reports in Klamath Falls

Open a ZIP for site-level provenance and measurements.

ZIP code

97601

Soft

27.4 PPM

Nearest site: 10.7 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

Other Oregon communities

Elgin

Union County

31 PPM median

Glide

Douglas County

32 PPM median

Rainier

Columbia County

21 PPM median

Banks

Washington County

35 PPM median

Portland

Multnomah County

35 PPM median

Stayton

Marion County

18 PPM median

Search all 21 Oregon cities →

Questions people ask

About water in Klamath Falls

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.