PlainWater

HARDYVILLE ON THE RIVER

PWS ID: AZ0408342 · SAN DIEGO, Arizona 92120

HARDYVILLE ON THE RIVER serves 42 people in SAN DIEGO, Arizona using Groundwater water sources. It has 213 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HARDYVILLE ON THE RIVER

HARDYVILLE ON THE RIVER is a public/private-owned community water system that delivers drinking water to 42 residents in SAN DIEGO, Arizona (Mohave County) through 39 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 213 total violations for this system , of which 2 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 164 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 36 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. HARDYVILLE ON THE RIVER's 213 violations sit above the Arizona average. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
42
Total Violations
213
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
39
County
Mohave
School/Daycare
No
MCL Violations
2
Monitoring Violations
164
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 36 2025
Nitrate MR 16 2006
Lead and Copper Rule MR 13 2025
Coliform (TCR) MR 12 2014
Dalapon MR 4 1998
Diquat MR 4 1998
Di(2-ethylhexyl) adipate MR 4 1998
OXAMYL MR 4 1998
Di(2-ethylhexyl) phthalate MR 4 1998
Picloram MR 4 1998
Dinoseb MR 4 1998
Carbofuran MR 4 1998
Heptachlor MR 4 1998
Benzo(a)pyrene MR 4 1998
ETHYLENE DIBROMIDE MR 4 1998
Chlordane MR 4 1998
Simazine MR 4 1998
2,4-D MR 4 1998
LASSO MR 4 1998
Revised Total Coliform Rule RPT 4 2023
Atrazine MR 4 1998
2,4,5-TP MR 4 1998
HEXACHLOROBENZENE MR 4 1998
Heptachlor epoxide MR 4 1998
Endothall MR 4 1998
BHC-GAMMA MR 3 1998
Toxaphene MR 3 1998
Hexachlorocyclopentadiene MR 3 1998
1,2-DIBROMO-3-CHLOROPROPANE MR 3 1998
Methoxychlor MR 3 1998

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for HARDYVILLE ON THE RIVER.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0408342 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ — Drinking Water Program is the primacy agency that licenses and inspects HARDYVILLE ON THE RIVER under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ — Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Consumer Confidence Rule Other 36 SDWIS / AZ0408342 / 7000
2025 Lead and Copper Rule MR 13 SDWIS / AZ0408342 / 5000
2023 Revised Total Coliform Rule RPT 4 SDWIS / AZ0408342 / 8000
2014 Coliform (TCR) MR 12 SDWIS / AZ0408342 / 3100
2013 E. COLI MR 1 SDWIS / AZ0408342 / 3014
2006 Nitrate MR 16 SDWIS / AZ0408342 / 1040
2001 Coliform (TCR) MCL 1 SDWIS / AZ0408342 / 3100
1998 Dalapon MR 4 SDWIS / AZ0408342 / 2031
1998 Diquat MR 4 SDWIS / AZ0408342 / 2032
1998 Di(2-ethylhexyl) adipate MR 4 SDWIS / AZ0408342 / 2035
1998 OXAMYL MR 4 SDWIS / AZ0408342 / 2036
1998 Di(2-ethylhexyl) phthalate MR 4 SDWIS / AZ0408342 / 2039
1998 Picloram MR 4 SDWIS / AZ0408342 / 2040
1998 Dinoseb MR 4 SDWIS / AZ0408342 / 2041
1998 Carbofuran MR 4 SDWIS / AZ0408342 / 2046

How HARDYVILLE ON THE RIVER Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric HARDYVILLE ON THE RIVER Arizona avg Federal benchmark
Total violations 213 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 42 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is HARDYVILLE ON THE RIVER water safe to drink?
HARDYVILLE ON THE RIVER (PWS ID: AZ0408342) has 213 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 42 people using Groundwater sources.
How many people does HARDYVILLE ON THE RIVER serve?
HARDYVILLE ON THE RIVER serves 42 people in SAN DIEGO, Arizona. It is a Public/Private-owned system using Groundwater water sources with 39 service connections.
What type of violations does HARDYVILLE ON THE RIVER have?
HARDYVILLE ON THE RIVER has 213 total violations: 2 health-based violations (MCL exceedances or treatment failures), 164 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HARDYVILLE ON THE RIVER water?
No PFAS testing data is available for HARDYVILLE ON THE RIVER under the EPA's UCMR5 monitoring program.
What water source does HARDYVILLE ON THE RIVER use?
HARDYVILLE ON THE RIVER uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial