Question 1

Is Hardyville on the River water safe to drink?

Accepted Answer

Hardyville on the River (PWS ID: AZ0408342) has 213 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 42 people using Groundwater sources.

Question 2

How many people does Hardyville on the River serve?

Accepted Answer

EPA SDWIS reports that Hardyville on the River serves 42 people (this public water system's service population, not the municipal population of San Diego or any other city). It is a Public/Private-owned system using Groundwater water sources with 39 service connections. The operator address is listed in San Diego, Arizona.

Question 3

What type of violations does Hardyville on the River have?

Accepted Answer

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.

Question 4

Has PFAS been detected in Hardyville on the River water?

Accepted Answer

No PFAS testing data is available for Hardyville on the River under the EPA's UCMR5 monitoring program.

Question 5

What water source does Hardyville on the River use?

Accepted Answer

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.

Question 6

Where does this data come from?

Accepted Answer

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.

Question 7

How does Hardyville on the River's violation count compare nationally?

Accepted Answer

Hardyville on the River has 213 recorded EPA SDWIS violations, fewer than 14% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 86% of that cohort has fewer violations than Hardyville on the River. A system can have zero recorded violations and still be actively monitored, and a high violation count often reflects a system that reports thoroughly, not necessarily one with worse water.

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

Hardyville on the River

Hardyville on the River standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Population served record for Hardyville on the River

Nationwide peers

Cross-state systems with comparable violation load