City water profile

Water hardness in Paonia

Find official utility reports, understand hardness, and check the water system serving your home in Paonia, Colorado.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 5
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.

Hidden Valley Hoa Water Company

CO0115342 · Surface water · 120 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 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (15)

Imported violation history for Hidden Valley Hoa Water Company
Rule	Status	Period
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-based	Resolved	Jul 9, 2024 to Aug 8, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Aug 19, 2024
Revised Total Coliform Rule	Resolved	Oct 1, 2023 to Oct 31, 2023
Surface Water Treatment Rule	Resolved	Oct 1, 2023 to Oct 31, 2023
Chlorine	Resolved	Oct 1, 2023 to Nov 20, 2023
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Aug 19, 2024
TTHM	Resolved	Jan 1, 2023 to Dec 31, 2023
Total Haloacetic Acids (HAA5)	Resolved	Jan 1, 2023 to Dec 31, 2023
Revised Total Coliform Rule	Resolved	Sep 1, 2022 to Sep 30, 2022
Surface Water Treatment Rule	Resolved	Sep 1, 2022 to Sep 30, 2022
Chlorine	Resolved	Jul 1, 2022 to Sep 30, 2022
Revised Total Coliform Rule	Resolved	Sep 1, 2021 to Sep 30, 2021
Surface Water Treatment Rule	Resolved	Sep 1, 2021 to Sep 30, 2021
Chlorine	Resolved	Jul 1, 2021 to Sep 30, 2021
Lead and Copper Rule	Resolved	Jan 1, 2021 to Jan 6, 2021

Minnesota Pipeline

CO0115513 · Surface water · 72 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: 0.0018 mg/L
Action level: 0.015 mg/L

12% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (10)

Imported violation history for Minnesota Pipeline
Rule	Status	Period
LEAD AND COPPER RULE REVISIONS	Unaddressed	Jul 2, 2025
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Jun 15, 2024
Lead and Copper Rule	Resolved	Dec 27, 2022 to Dec 28, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Jun 15, 2024
Surface Water Treatment Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Revised Total Coliform Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Chlorine	Resolved	Apr 1, 2022 to Jun 30, 2022
Lead and Copper Rule	Resolved	Oct 1, 2021 to Oct 11, 2021
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jun 15, 2024
Lead and Copper Rule	Resolved	Apr 1, 2021 to Oct 11, 2021

West Paonia Domestic Water Company

CO0115838 · Surface water · 57 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: 7.0e-4 mg/L
Action level: 0.015 mg/L

5% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (7)

Imported violation history for West Paonia Domestic Water Company
Rule	Status	Period
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Jun 15, 2024
Lead and Copper Rule	Resolved	Dec 27, 2022 to Dec 28, 2022
Revised Total Coliform Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Surface Water Treatment Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Chlorine	Resolved	Apr 1, 2022 to Jun 30, 2022
Lead and Copper Rule	Resolved	Oct 1, 2021 to Oct 11, 2021
Revised Total Coliform Rule	Unaddressed	Apr 11, 2019

South Lamborn Mesa Water Company

CO0115716 · Surface water · 47 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: 4.0e-4 mg/L
Action level: 0.015 mg/L

3% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (9)

Imported violation history for South Lamborn Mesa Water Company
Rule	Status	Period
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Jun 15, 2024
Lead and Copper Rule	Resolved	Dec 27, 2022 to Dec 28, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Jun 15, 2024
Revised Total Coliform Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Surface Water Treatment Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Chlorine	Resolved	Apr 1, 2022 to Jun 30, 2022
Lead and Copper Rule	Resolved	Oct 1, 2021 to Oct 11, 2021
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jun 15, 2024
Lead and Copper Rule	Resolved	Apr 1, 2021 to Oct 11, 2021

Western Extension Domestic Water Company

CO0115841 · Surface water · 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 (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: 4.0e-4 mg/L
Action level: 0.015 mg/L

3% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (11)

Imported violation history for Western Extension Domestic Water Company
Rule	Status	Period
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Jun 15, 2024
Surface Water Treatment Rule	Resolved	May 1, 2023 to May 31, 2023
Chlorine	Resolved	Apr 1, 2023 to Jun 7, 2023
Lead and Copper Rule	Resolved	Dec 27, 2022 to Dec 28, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Jun 15, 2024
Surface Water Treatment Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Revised Total Coliform Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Chlorine	Resolved	Apr 1, 2022 to Jun 30, 2022
Lead and Copper Rule	Resolved	Oct 1, 2021 to Oct 11, 2021
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jun 15, 2024
Lead and Copper Rule	Resolved	Apr 1, 2021 to Oct 11, 2021

City summary

What the indexed records say

Paonia has 1 published ZIP profile across Delta County. The regional-evidence median is 883 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

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard1 ZIP

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: 9.2 miles
Profiles with evidence: 1/1

Confidence labels

High: 1Moderate: 0Low: 0

Observation window: Jul 18, 2016 to Apr 15, 2026.

ZIP directory

Water reports in Paonia

Open a ZIP for site-level provenance and measurements.

ZIP code

81428

Very Hard

882.5 PPM

Nearest site: 9.2 mi
Confidence: High

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 Colorado communities

Delta

Delta County

577 PPM median

La Junta

Otero County

882 PPM median

Rocky Ford

Otero County

877 PPM median

Las Animas

Bent County

787 PPM median

Sterling

Logan County

1025 PPM median

Montrose

Montrose County

609 PPM median

Search all 58 Colorado cities →

Questions people ask

About water in Paonia

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.