Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	MA2141000
PWS Name	HUDSON WATER SUPPLY
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	20032
County Served	Middlesex

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, Regular	Nitrate Rule	Nitrite	136	Returned to Compliance	01-APR-2024	30-JUN-2024	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	110	Known	01-MAY-2023	31-MAY-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	109	Known	01-MAY-2023	31-MAY-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	69	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	81	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	33	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	83	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	72	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	71	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	74	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	59	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	66	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	73	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	79	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	63	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	70	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	60	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	64	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	62	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	68	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	61	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	65	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	75	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	82	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	32	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	67	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	76	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	77	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	51	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	52	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	44	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	56	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	58	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	47	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	46	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	49	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	34	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	41	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	48	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	54	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	38	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	45	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	35	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	39	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	37	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	43	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	36	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	40	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	42	Returned to Compliance	01-JAN-2023	31-MAR-2023	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	50	Returned to Compliance	01-JAN-2023	31-MAR-2023	No

1 - 50 of 88

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
66	136	SOX	State Compliance achieved	28-JUL-2025	State	RTC NITRITE 01S & MULT5
61	109	SFL	State Administrative/Compliance Order without penalty issued	29-FEB-2024	State	M&R THM, VOC (Q1 2023), HAA5 (MAY 2023) VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
61	110	SFL	State Administrative/Compliance Order without penalty issued	29-FEB-2024	State	M&R THM, VOC (Q1 2023), HAA5 (MAY 2023) VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	32	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	33	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	34	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	35	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	36	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	37	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	38	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	39	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	40	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	41	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	42	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	43	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	44	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	45	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	46	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	47	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	48	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	49	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	50	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	51	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	52	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	54	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	56	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	57	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	58	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	59	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	60	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	61	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	62	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	63	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	64	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	65	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	66	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	67	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	68	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	69	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	70	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	71	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	72	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	73	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	74	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	75	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	76	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	77	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	79	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	81	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)
62	82	SOX	State Compliance achieved	29-FEB-2024	State	M&R VOC (Q1 2023), VOC,NITRATE,ARSENIC (Q2 2023), VOC (Q4 2023)

1 - 50 of 87

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
GATES POND	1	Yes	Intake	Surface water	Permanent	Active
CHESTNUT ST WELL 2	6	Yes	Well	Ground water	Permanent	Active
CHESTNUT ST WELL 1A	39	Yes	Well	Ground water	Permanent	Active
KANE WELL	3	Yes	Well	Ground water	Permanent	Active
CRANBERRY BOG WELL	2	Yes	Well	Ground water	Permanent	Active
CHESTNUT ST WELL 3	19	Yes	Well	Ground water	Permanent	Active
CHESTNUT ST WELL 1	5	Yes	Well	Ground water	Emergency	Inactive
RIMKUS GRAVEL PACKED WELL	4	Yes	Well	Ground water	Emergency	Inactive
RIMKUS GRAVEL PACKED WELL PUMP	10	No	Pump Facility	-	-	Active
CHESTNUT STREET WELL 2 PUMP	11	No	Pump Facility	-	-	Active
SUPERIOR DRIVE PUMP STATION	12	No	Pump Facility	-	-	Active
KENT DRIVE BOOSTER PUMP STATION	13	No	Pump Facility	-	-	Active
CRYSTAL SPRINGS BOOSTER PUMP STATION	14	No	Pump Facility	-	-	Active
CHESTNUT STREET WELL 3 PUMP	20	No	Pump Facility	-	-	Active
MARLBORO STREET BOOSTER STATION	30	No	Pump Facility	-	-	Active
CURLEY DRIVE BOOSTER STATION	31	No	Pump Facility	-	-	Active
CORTLAND DRIVE BOOSTER STATION	33	No	Pump Facility	-	-	Active
EXETER RD BOOSTER STATION	34	No	Pump Facility	-	-	Active
LAUREL DRIVE BOOSTER STATION	35	No	Pump Facility	-	-	Active
RUTHELLEN ROAD BOOSTER STATION	36	No	Pump Facility	-	-	Active
POTASH TANK BOOSTER PUMP STATION	38	No	Pump Facility	-	-	Active
CHESTNUT STREET WELL 1A PUMP	40	No	Pump Facility	-	-	Active
INTEL BOOSTER STATION (PRIVATE)	41	No	Pump Facility	-	-	Active
QUAIL RUN BOOSTER STATION (PRIVATE)	42	No	Pump Facility	-	-	Active
CRANBERRY BOG WELL PUMP	8	No	Pump Facility	-	-	Active
KANE WELL PUMP	9	No	Pump Facility	-	-	Active
CHESTNUT STREET WELL 1 PUMP	27	No	Pump Facility	-	-	Inactive
MURPHY ROAD STORAGE TANK	15	No	Storage	-	-	Active
POPES HILL STORAGE TANK	16	No	Storage	-	-	Active
LAKE VIEW STORAGE TANK	18	No	Storage	-	-	Active
1.5 MG POTASH STORAGE TANK	32	No	Storage	-	-	Active
BRIGHAM STORAGE TANK	37	No	Storage	-	-	Active
POTASH STORAGE TANK	17	No	Storage	-	-	Inactive
CHESTNUT ST WELL #1A TREATMENT PLANT	21	No	Treatment Plant	-	-	Active
CHESTNUT ST WELL #2 TREATMENT PLANT	22	No	Treatment Plant	-	-	Active
KANE WELL TREATMENT PLANT	23	No	Treatment Plant	-	-	Active
GATES POND RES TREATMENT PLANT	24	No	Treatment Plant	-	-	Active
CRANBERRY BOG WELL TREATMENT PLANT	25	No	Treatment Plant	-	-	Active
CHESTNUT ST WELL #3 TREATMENT PLANT	28	No	Treatment Plant	-	-	Active
CHESTNUT STREET FILTRATION PLANT	29	No	Treatment Plant	-	-	Active

1 - 40 of 40

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
CHESTNUT ST WELL #1A TREATMENT PLANT	21	pH Adjustment	Corrosion control
CHESTNUT ST WELL #1A TREATMENT PLANT	21	4-Log Treatment of Viruses	Disinfection
CHESTNUT ST WELL #2 TREATMENT PLANT	22	pH Adjustment	Corrosion control
CHESTNUT ST WELL #2 TREATMENT PLANT	22	4-Log Treatment of Viruses	Disinfection
KANE WELL TREATMENT PLANT	23	pH Adjustment	Corrosion control
KANE WELL TREATMENT PLANT	23	4-Log Treatment of Viruses	Disinfection
GATES POND RES TREATMENT PLANT	24	Coagulation	Particulate removal
GATES POND RES TREATMENT PLANT	24	pH Adjustment, Post	Corrosion control
GATES POND RES TREATMENT PLANT	24	Hypochlorination, Post	Disinfection
GATES POND RES TREATMENT PLANT	24	Fluoridation	Other
CRANBERRY BOG WELL TREATMENT PLANT	25	pH Adjustment	Corrosion control
CRANBERRY BOG WELL TREATMENT PLANT	25	4-Log Treatment of Viruses	Disinfection
CRANBERRY BOG WELL TREATMENT PLANT	25	Filtration, Cartridge	Particulate removal
CRANBERRY BOG WELL TREATMENT PLANT	25	Activated Carbon, Granular	Organics removal
CHESTNUT ST WELL #3 TREATMENT PLANT	28	pH Adjustment	Corrosion control
CHESTNUT ST WELL #3 TREATMENT PLANT	28	4-Log Treatment of Viruses	Disinfection
CHESTNUT STREET FILTRATION PLANT	29	Hypochlorination, Post	Disinfection
CHESTNUT STREET FILTRATION PLANT	29	pH Adjustment	Corrosion control
CHESTNUT STREET FILTRATION PLANT	29	Fluoridation	Other
CHESTNUT STREET FILTRATION PLANT	29	Filtration, Greensand	Inorganics removal
CHESTNUT STREET FILTRATION PLANT	29	Innovative	De-chlorination
CHESTNUT STREET FILTRATION PLANT	29	4-Log Treatment of Viruses	Disinfection
CHESTNUT STREET FILTRATION PLANT	29	Activated Carbon, Granular	Organics removal
CHESTNUT STREET FILTRATION PLANT	29	Filtration, Cartridge	Particulate removal

1 - 24 of 24

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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