PlainWater
States09

Pala South

PWS ID: 090600144 · Pala, 09 92059

Pala South serves 360 people in Pala, 09 using Groundwater water sources. It has 114 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: Pala South

Pala South is a native american-owned community water system that delivers drinking water to 360 residents in Pala, 09 through 100 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 114 total violations for this system , of which 11 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 52 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across 09, EPA tracks 323 public water systems serving 555,721 people, with 48,296 cumulative violations and 3,354 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149.5 violations. Pala South's 114 violations sit below the 09 average. Statewide, 30 of 41 UCMR5-tested systems have reported PFAS detections (73.2%). 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
360
Total Violations
114
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
100
School/Daycare
No
MCL Violations
6
Monitoring Violations
52
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2006
Groundwater Rule TT 5 2019
Coliform (TCR) MR 4 2003
Nitrate MR 3 2003
Trichloroethylene MR 2 1998
Consumer Confidence Rule Other 2 2001
Cadmium MR 1 1996
Arsenic MR 1 1996
Barium MR 1 1996
Chromium MR 1 1996
Nitrite MR 1 1996
Selenium MR 1 1996
Asbestos MR 1 1996
BHC-GAMMA MR 1 1996
Methoxychlor MR 1 1996
Toxaphene MR 1 1996
Atrazine MR 1 1996
Heptachlor MR 1 1996
2,4,5-TP MR 1 1996
Pentachlorophenol MR 1 1996
cis-1,2-Dichloroethylene MR 1 1996
Xylenes, Total MR 1 1996
Chlordane MR 1 1996
p-Dichlorobenzene MR 1 1996
Vinyl chloride MR 1 1996
1,1-Dichloroethylene MR 1 1996
1,2-Dichloroethane MR 1 1996
1,1,1-Trichloroethane MR 1 1996
Carbon tetrachloride MR 1 1996
1,2-Dichloropropane MR 1 1996

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 Pala South.

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 090600144 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

09 Drinking Water Authority

09's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 09 regulator via EPA SDWIS

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
2019 Groundwater Rule TT 5 SDWIS / 090600144 / 0700
2006 Coliform (TCR) MCL 6 SDWIS / 090600144 / 3100
2003 Coliform (TCR) MR 4 SDWIS / 090600144 / 3100
2003 Nitrate MR 3 SDWIS / 090600144 / 1040
2001 Consumer Confidence Rule Other 2 SDWIS / 090600144 / 7000
1998 Trichloroethylene MR 2 SDWIS / 090600144 / 2984
1996 Cadmium MR 1 SDWIS / 090600144 / 1015
1996 Arsenic MR 1 SDWIS / 090600144 / 1005
1996 Barium MR 1 SDWIS / 090600144 / 1010
1996 Chromium MR 1 SDWIS / 090600144 / 1020
1996 Nitrite MR 1 SDWIS / 090600144 / 1041
1996 Selenium MR 1 SDWIS / 090600144 / 1045
1996 Asbestos MR 1 SDWIS / 090600144 / 1094
1996 BHC-GAMMA MR 1 SDWIS / 090600144 / 2010
1996 Methoxychlor MR 1 SDWIS / 090600144 / 2015

How Pala South Compares

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

Metric Pala South 09 avg Federal benchmark
Total violations 114 149.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 10.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 73.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 360 1,720 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 323 regulated public water systems in 09.

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 Pala South water safe to drink?
Pala South (PWS ID: 090600144) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 360 people using Groundwater sources.
How many people does Pala South serve?
Pala South serves 360 people in Pala, 09. It is a Native American-owned system using Groundwater water sources with 100 service connections.
What type of violations does Pala South have?
Pala South has 114 total violations: 11 health-based violations (MCL exceedances or treatment failures), 52 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pala South water?
No PFAS testing data is available for Pala South under the EPA's UCMR5 monitoring program.
What water source does Pala South use?
Pala South 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