Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	AK2340060
PWS Name	KOTZEBUE MUN. WATER SYSTEM
PWS Type	Community water system
Owner Type	Tribal Government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	3234
County Served	Northwest Arctic Borough

The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

Violations

Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506225	Known	01-OCT-2025	31-DEC-2025	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506224	Known	01-OCT-2025	31-DEC-2025	Yes
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506226	Known	01-OCT-2025	31-DEC-2025	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506222	Known	01-JUL-2025	30-SEP-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506223	Known	01-JUL-2025	30-SEP-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506220	Known	01-APR-2025	30-JUN-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506221	Known	01-APR-2025	30-JUN-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506218	Known	01-JAN-2025	31-MAR-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506219	Known	01-JAN-2025	31-MAR-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506216	Known	01-OCT-2024	31-DEC-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506217	Known	01-OCT-2024	31-DEC-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506214	Known	01-JUL-2024	30-SEP-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506215	Known	01-JUL-2024	30-SEP-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506213	Known	01-APR-2024	30-JUN-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506212	Known	01-APR-2024	30-JUN-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506209	Known	01-JAN-2024	31-MAR-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506210	Known	01-JAN-2024	31-MAR-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506208	Known	01-OCT-2023	31-DEC-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506207	Known	01-OCT-2023	31-DEC-2023	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	3506206	Returned to Compliance	01-AUG-2023	31-AUG-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506203	Known	01-JUL-2023	30-SEP-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506204	Known	01-JUL-2023	30-SEP-2023	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	3506205	Returned to Compliance	01-JUL-2023	31-JUL-2023	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	3506200	Returned to Compliance	01-MAY-2023	31-MAY-2023	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	3506199	Returned to Compliance	01-APR-2023	30-APR-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506201	Known	01-APR-2023	30-JUN-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506197	Returned to Compliance	01-JAN-2023	31-MAR-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506198	Known	01-JAN-2023	31-MAR-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506202	Returned to Compliance	01-OCT-2022	31-DEC-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506193	Known	01-OCT-2022	31-DEC-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506189	Known	01-JUL-2022	30-SEP-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506190	Returned to Compliance	01-JUL-2022	30-SEP-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506187	Returned to Compliance	01-APR-2022	30-JUN-2022	Yes
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506186	Returned to Compliance	01-APR-2022	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506188	Known	01-APR-2022	30-JUN-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506184	Returned to Compliance	01-JAN-2022	31-MAR-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506185	Known	01-JAN-2022	31-MAR-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506182	Known	01-OCT-2021	31-DEC-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506183	Returned to Compliance	01-OCT-2021	31-DEC-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506181	Known	01-JUL-2021	30-SEP-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506180	Returned to Compliance	01-JUL-2021	30-SEP-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506179	Known	01-APR-2021	30-JUN-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506191	Returned to Compliance	01-APR-2021	30-JUN-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506178	Known	01-JAN-2021	31-MAR-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506177	Known	01-OCT-2020	31-DEC-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506176	Returned to Compliance	01-OCT-2020	31-DEC-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506173	Known	01-JUL-2020	30-SEP-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506172	Returned to Compliance	01-JUL-2020	30-SEP-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3506169	Known	01-APR-2020	30-JUN-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3506168	Returned to Compliance	01-APR-2020	30-JUN-2020	Yes

1 - 50 of 258

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
3126900	3506223	SIE	State Public Notification requested	16-SEP-2025	State	3rd quarter DBP OEL, PN and cert form sent to system 9/16/25. -- MPS
3126884	3506218	SIE	State Public Notification requested	11-APR-2025	State	Sent 1st quarter DBP exceedance PN, cert form, and OEL on 4/11/2025. -- MPS
3126870	3506214	SIF	State Public Notification received	21-OCT-2024	State	Received 3rd quarter DBP PN certification on 10/21/2024. -- MPS
3126870	3506215	SIF	State Public Notification received	21-OCT-2024	State	Received 3rd quarter DBP PN certification on 10/21/2024. -- MPS
3126842	3506207	SIE	State Public Notification requested	04-JAN-2024	State	Sent TTHM and HAA5 4th quarter MCL LRAA public notice to system on 1/4/24. -- MPS
3126842	3506208	SIE	State Public Notification requested	04-JAN-2024	State	Sent TTHM and HAA5 4th quarter MCL LRAA public notice to system on 1/4/24. -- MPS
3126837	3506206	SOX	State Compliance achieved	24-NOV-2023	State	RTCd MOR chlorine vios with completed September MOR received 10/1/23. -- MPS
3126837	3506205	SOX	State Compliance achieved	24-NOV-2023	State	RTCd MOR chlorine vios with completed September MOR received 10/1/23. -- MPS
3126832	3506203	SIE	State Public Notification requested	26-OCT-2023	State	Sent 3rd quarter 2023 PN and OEL for DBP exceedance. -- MPS
3126832	3506204	SIE	State Public Notification requested	26-OCT-2023	State	Sent 3rd quarter 2023 PN and OEL for DBP exceedance. -- MPS
3126828	3506200	SOX	State Compliance achieved	07-JUL-2023	State	RTC'd vios for not enough entry point chlorine readings above 0.2 with June MOR received 7/7/23
3126828	3506199	SOX	State Compliance achieved	07-JUL-2023	State	RTC'd vios for not enough entry point chlorine readings above 0.2 with June MOR received 7/7/23
3126829	3506202	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126829	3506197	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126829	3506191	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126829	3506190	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126829	3506187	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126829	3506184	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126829	3506180	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126829	3506183	SOX	State Compliance achieved	26-JUN-2023	State	RTC'd HAA5 MCL vios with 2nd quarter 2023 LRAA, sample collected 6/26/23. -- mps
3126820	3506198	SIF	State Public Notification received	05-MAY-2023	State	PN for 1st qtr 2023 DBP MCL exceedance rec'd. - MMS
3126811	3506193	SIF	State Public Notification received	15-FEB-2023	State	Rec'd PN certification for the 4th qtr 2022 DBPs. - MMS
3126805	3506189	SIF	State Public Notification received	31-OCT-2022	State	Rec'd PN cert form for Kotzebue DBP (FE)
3126797	3506188	SIF	State Public Notification received	05-AUG-2022	State	Received certification of tier 2 public notice for 2nd quarter 2022 TTHM and HAA5 MCL. FE 08/05/2022
3126792	3506186	SOX	State Compliance achieved	07-APR-2022	State	RTC'd with completed OEL report received 4/7/2022. -KBG
3126788	3506185	SIE	State Public Notification requested	25-MAR-2022	State	Requested certification of tier 2 public notice for 1st quarter 2022 TTHM and HAA5 MCL. Emailed public notice and OEL report to system operator. -KBG 3/25/2022
3126787	3506182	SIF	State Public Notification received	04-FEB-2022	State	Received certification of tier 2 public notice for 4th quarter 2021 TTHM and HAA5 MCL via email 2/4/2022
3126778	3506181	SIF	State Public Notification received	12-NOV-2021	State	Received certification of tier 2 public notice for 3rd quarter 2021 TTHM and HAA5 MCL via email. -KBG 11/12/2021
3126781	3506179	SIF	State Public Notification received	27-JUL-2021	State	Received certification of tier 2 public notice for 3rd quarter 2021 TTHM and HAA5 MCL via email. -KBG 07/27/2021
3126772	3506178	SIF	State Public Notification received	20-APR-2021	State	Received certification of public notice for 1st Qtr 2021 DBP LRAA MCL. -KBG 4/20/2021
3126807	3506140	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506141	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506142	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506143	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506149	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506150	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506151	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506152	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506153	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506154	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506155	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506156	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506158	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506160	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506162	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506164	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506166	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506168	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506172	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)
3126807	3506176	SOX	State Compliance achieved	01-MAR-2021	State	HAA5 LRAA violations from 2015-2020 RTC'd with receipt of HAA5 LRAA result of 59.8 mg/L, below the MCL 0.060 mg/L (FE 11/7/2022)

1 - 50 of 211

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
IN DEVILS LAKE INTAKE	44165	Yes	Intake	Surface water	Permanent	Active
IN VORTAC LAKE INTAKE	47009	Yes	Intake	Surface water	Permanent	Active
DS KOTZEBUE DISTRIBUTION SYSTEM	44114	No	Distribution System/Zone	-	-	Active
SS	43612	No	Sampling Station	-	-	Active
ST OLD 1.5 MG CT TANK	42374	No	Storage	-	-	Active
ST 2003 1.5 MG CT TANK	47008	No	Storage	-	-	Active
MEMBRANE TREATMENT PLANT	50823	No	Treatment Plant	-	-	Active
I-CONVENTIONAL FILTRATION WTP	42547	No	Treatment Plant	-	-	Inactive

1 - 8 of 8

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
I-CONVENTIONAL FILTRATION WTP	42547	Hypochlorination, Post	Disinfection
I-CONVENTIONAL FILTRATION WTP	42547	Sedimentation	Particulate removal
I-CONVENTIONAL FILTRATION WTP	42547	Coagulation	Particulate removal
I-CONVENTIONAL FILTRATION WTP	42547	Coagulation	Organics removal
I-CONVENTIONAL FILTRATION WTP	42547	Filtration, Rapid Sand	Particulate removal
I-CONVENTIONAL FILTRATION WTP	42547	Permanganate	Iron removal
I-CONVENTIONAL FILTRATION WTP	42547	Fluoridation	Other
I-CONVENTIONAL FILTRATION WTP	42547	Activated Carbon, Powdered	Taste / odor control
I-CONVENTIONAL FILTRATION WTP	42547	pH Adjustment, Post	Corrosion control
MEMBRANE TREATMENT PLANT	50823	Permanganate	Manganese removal
MEMBRANE TREATMENT PLANT	50823	Microscreening	Particulate removal
MEMBRANE TREATMENT PLANT	50823	Innovative	Organics removal
MEMBRANE TREATMENT PLANT	50823	Filtration, Ultrafiltration	Particulate removal
MEMBRANE TREATMENT PLANT	50823	Hypochlorination, Post	Disinfection
MEMBRANE TREATMENT PLANT	50823	pH Adjustment, Post	Corrosion control
MEMBRANE TREATMENT PLANT	50823	Fluoridation	Other

1 - 16 of 16

For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

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