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Community Water System · PWS AL0000816

Opelika, Ww Bd. of the City Of

Operator location Opelika, Alabama - 42% of 67 violations are health-based (upper-third health share (> 23%)); surface water source; 45,621 served per SDWIS.

45,621
People served (this PWS)
67
EPA violations (this PWS)
28
Health-based (this PWS)
4 PFAS
UCMR5 (this PWS)
Follow published updates (RSS)

Opelika, Ww Bd. of the City Of standing, mid SDWIS violation third

42% of 67 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 42% is upper-third health share (> 23%). UCMR5: middle-third PFAS panel (≤ 4 compounds). Population rank #1,207 of 29,740 among systems serving 500+.

The verdict

Opelika, Ww Bd. of the City Of lands in the middle third by violation volume (67), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is large (45,621; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 42% - most of this ledger is MCL or treatment-technique exceedance. UCMR5 detected 4 PFAS compounds (middle-third PFAS panel (≤ 4 compounds)).

#1,207 of 29,740
Population · /systems
#22 of 487
Population · AL
67
Total EPA violations on record
42%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

PFAS Detected

4 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

System Details

System Type
Community
Owner Type
Local
Connections
15,207
County
Lee
School/Daycare
No
MCL Violations
28
Monitoring Violations
38
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 28 2018
Total Haloacetic Acids (HAA5) MR 16 2016
TTHM MR 16 2016
Dalapon MR 2 2000
1,2-DIBROMO-3-CHLOROPROPANE MR 2 1997
2,4-D MR 1 2000
Simazine MR 1 2000

Violation Count vs. the National Corpus

Opelika, Ww Bd. of the City Of has 67 recorded EPA violations, 64% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 36% carry more. 42% of this system's own violations are health-based (28 of 67), and it ranks #1,207 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

67 Around the middle fewer violations than 36% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 18 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 8/30/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 8/30/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/30/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 8/30/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxS 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/30/2023 5.30 ppt 4.00 ppt Detected
PFHpS 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/30/2023 3.80 ppt 3.00 ppt Detected
PFOA 8/30/2023 5.80 ppt 4.00 ppt Detected
PFBA 8/30/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/30/2023 4.60 ppt 3.00 ppt Detected
PFMPA 8/30/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/30/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/30/2023 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 8/30/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/30/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/30/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/30/2023 <2.00 ppt 2.00 ppt Not Detected
4:2 FTS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDoA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 7/18/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/18/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 7/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/18/2023 <7.00 ppt 7.00 ppt Not Detected

Health-based violations on Opelika, Ww Bd. of the City Of

28 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for AL0000816.

Sources: EPA SDWIS

Nationwide peers

67 violations · 45,621 served: nearest cross-state SDWIS matches.

What to do with Opelika, Ww Bd. of the City Of

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Alabama compares on the same EPA violation measures. Alabama systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater