WaterVerge

Is Katherine Landing, NV Tap Water Safe to Drink?

Graded D+, with 23 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: AZ0408701
Overall Score
51 / 100
Violations
23 active
Last Updated
May 2026
Source
Surface water
#53 of 66 in Nevada Top 82% nationally
Federal
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
51/100
waterverge.com
D+ 51/100

Katherine Landing, NV — Water Quality Report

Katherine Landing's drinking water received a grade of D+ (51 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,300 residents using surface water.

Lead levels were measured at 1.7 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 623 violations on record, including 31 health-based violations. 23 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Katherine Landing's water

Katherine Landing ranks #53 out of 66 cities in Nevada for water quality, placing it among the lowest-rated in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Katherine Landing may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 73 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
51 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.7 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Katherine Landing, NV water safe to drink?

Concerns Identified

Katherine Landing's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (51/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,300 residents using surface water (rivers, lakes, or reservoirs).

23
Active Violations
1.7 ppb
Lead (90th %ile)

Recent water quality updates for Katherine Landing

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Katherine Landing's water quality assessment. Grade: D+ (51/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Total Haloacetic Acids (HAA5).

Key contaminant findings

Based on the most recent EPA sampling data for Katherine Landing's water supply.

Lead Within Limits
Detected: 1.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Katherine Landing's water system has 623 total violations on record, including 31 health-based violations. 23 remain unresolved. 73 violations were issued in the last 5 years.

MCLOtherMRMONRPTTT
Most recent violations:
Oct 2025 Total Haloacetic Acids (HAA5) Resolved
May 2025 Public Notice Open
Apr 2025 Total Haloacetic Acids (HAA5) Open
Jan 2025 Public Notice Open
Jan 2025 Total Haloacetic Acids (HAA5) Resolved

Where does Katherine Landing's water come from?

Katherine Landing's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,300 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Katherine Landing residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Katherine Landing's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.7 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
Compliance Record

Violation summary

623
Total violations
31
Health-based
23
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

623 Total
23 Active
31 Health-based
600 Resolved
6 SNC
Violations by category
Volatile Organic Chemicals
332
Inorganic Chemicals
70
Stage 1 Disinfectants and Disinfection Byproducts Rule
49
Stage 2 Disinfectants and Disinfection Byproducts Rule
48
Synthetic Organic Chemicals
40
May 2025 Active
Public Notice
Other Violation 0
Apr 2025 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Jun 2024 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
May 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Apr 2024 Active
Public Notice
Other Violation 0
Jan 2024 Active
Public Notice
Other Violation 0
Aug 2023 Active
Public Notice
Other Violation 0
Dec 2022 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
May 2022 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Mar 2022 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Nov 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 623 violations

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.7 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.9 ppb from 2005 (7.6 ppb) to 2023 (1.7 ppb).
Contaminant Rankings

See how Katherine Landing compares by contaminant

Explore where Katherine Landing ranks among all Nevada cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Federal
Population Served
1,300
Water Systems
1
Water Source

Where Katherine Landing's water comes from

Surface Water

Katherine Landing's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by federal ownership and serves approximately 1,300 people through 1 water system.

Infrastructure

Water systems serving Katherine Landing

System Name PWSID Population Source
KATHERINE LANDING DWTP AZ0408701 1,300 SW
Regional Comparison

How Katherine Landing compares

Full Nevada rankings →

Katherine Landing's score of 51/100 is below the average of 57/100 among major Nevada cities. It outscores 5 of 10 nearby cities.

Katherine Landing (this city)
51
Las Vegas
39.8
Reno
29.3
Reno
72.2
Henderson
51.8
Nevada avg
57
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Frequently asked questions

Is Katherine Landing, NV tap water safe to drink?

Katherine Landing's water quality earned a grade of D+ (51/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #53 out of 66 cities tested in Nevada.

What contaminants are in Katherine Landing's water?

Lead was measured at 1.7 ppb (90th percentile). 623 violations are on record.

How is Katherine Landing's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Katherine Landing?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Katherine Landing's water come from?

Katherine Landing's water is sourced from Surface water. The city has 1 water system serving approximately 1,300 residents.

What health violations has Katherine Landing's water system had?

Katherine Landing has 31 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 23 violations remain unresolved.

How does Katherine Landing's water compare to other cities?

Katherine Landing ranks #53 out of 66 cities in Nevada (better than 20% of state cities) and #12938 out of 15744 cities nationally (18th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Katherine Landing's small water system affect quality?

Katherine Landing's system serves approximately 1,300 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 623 violations on record.