KATHERINE LANDING DWTP

PWSID: AZ0408701 · Boulder City, NV · Serves 1,300 people

According to EPA Safe Drinking Water Information System (SDWIS), KATHERINE LANDING DWTP (PWSID AZ0408701) in Boulder City, NV is listed as a CWS water system covering about 1,300 people. The same extract lists 63 health-based violation records spanning 2014-2025. Those 63 health-based rows for KATHERINE LANDING DWTP cover contaminants such as Total Haloacetic Acids (HAA5), TTHM, Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

KATHERINE LANDING DWTP has 63 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
1,300
Health-Based Violation Records
63
Distinct Contaminant Codes
3
Source Type
Surface Water

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), TTHM, Interim Enhanced Surface Water Treatment Rule. Recorded violations span 2014–2025. Day-to-day primacy enforcement for this system runs through the Nevada drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Nevada state drinking-water program's public portal.

System Details

EPA ID (PWSID)
AZ0408701
System Type
CWS
Water Source
Surface Water
Location
Boulder City, NV
Population Served
1,300
Health Violations
Yes (63)

What contaminants are in this water system?

Violation History (63)

Contaminant Health Date
Total Haloacetic Acids (HAA5) Yes Oct 1, 2025
Total Haloacetic Acids (HAA5) Yes Jan 1, 2025
Total Haloacetic Acids (HAA5) Yes Jan 1, 2025
Total Haloacetic Acids (HAA5) Yes Jan 1, 2025
Total Haloacetic Acids (HAA5) Yes Oct 1, 2024
Total Haloacetic Acids (HAA5) Yes Oct 1, 2024
Total Haloacetic Acids (HAA5) Yes Oct 1, 2024
Total Haloacetic Acids (HAA5) Yes Oct 1, 2024
Total Haloacetic Acids (HAA5) Yes Jul 1, 2024
Total Haloacetic Acids (HAA5) Yes Jul 1, 2024
Total Haloacetic Acids (HAA5) Yes Jul 1, 2024
Total Haloacetic Acids (HAA5) Yes Jul 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Apr 1, 2024
Total Haloacetic Acids (HAA5) Yes Jan 1, 2024
Total Haloacetic Acids (HAA5) Yes Jan 1, 2024
Total Haloacetic Acids (HAA5) Yes Jan 1, 2024
Total Haloacetic Acids (HAA5) Yes Jan 1, 2024
Total Haloacetic Acids (HAA5) Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Oct 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Apr 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jan 1, 2023
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
TTHM Yes Apr 1, 2021
TTHM Yes Jan 1, 2021
Total Haloacetic Acids (HAA5) Yes Jan 1, 2021
TTHM Yes Oct 1, 2020
TTHM Yes Jul 1, 2020
TTHM Yes Jan 1, 2017
TTHM Yes Oct 1, 2016
TTHM Yes Jul 1, 2016
TTHM Yes Apr 1, 2016
TTHM Yes Jan 1, 2016
TTHM Yes Oct 1, 2015
Interim Enhanced Surface Water Treatment Rule Yes Jul 1, 2015
TTHM Yes Jul 1, 2015
TTHM Yes Jan 1, 2015
TTHM Yes Oct 1, 2014
TTHM Yes Jul 1, 2014

Frequently Asked Questions

What does EPA SDWIS list for KATHERINE LANDING DWTP?
KATHERINE LANDING DWTP has 63 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses surface water water as its source.
How many people does KATHERINE LANDING DWTP serve?
KATHERINE LANDING DWTP serves 1,300 people in Boulder City, NV. It is classified as a CWS water system.
What violations does KATHERINE LANDING DWTP have?
KATHERINE LANDING DWTP has 63 health-based violation records in PlainEnviro's extract spanning 2014–2025. Monitoring and reporting records are not included.
What contaminants have been found in KATHERINE LANDING DWTP water?
Violations have been recorded for 3 contaminants. The most frequent: Total Haloacetic Acids (HAA5), TTHM, Interim Enhanced Surface Water Treatment Rule.

Compare beyond Nevada

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest KATHERINE LANDING DWTP on cumulative violation count (63) and EPA-reported population served (1,300). Violation-count peers include COMPTON WATERWORKS, OOLITIC WATER WORKS, TOWN OF MAMOU WATER SYSTEM. Population peers include MAKAH NEAH BAY, OPPELO WATER DEPARTMENT, THE GROVE AT ALTA RIDGE.

About This Data

KATHERINE LANDING DWTP (AZ0408701) is drawn from EPA SDWIS. Nearby county systems in this extract include NORTH LAS VEGAS UTILITIES; HENDERSON CITY OF; VIRGIN VALLEY WATER DISTRICT; NELLIS AIR FORCE BASE. Health-based rows (63 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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