One or more PFAS compounds exceed EPA Maximum Contaminant Levels. This is not a current violation — the federal compliance deadline is April 2029 (a proposed extension to 2031 is not final). These are UCMR 5 results from 2023 to 2025; the system may have installed treatment since.
Key contaminants vs MCL
PFOA5.3 ppt(MCL: 4 ppt)
PFOS4.7 ppt(MCL: 4 ppt)
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: April 26, 2029 under the current rule.
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New GAC to remove PFAS contamination at Ricks Well 7, Upgrade Water Treatment Plant
$0
On the FFY2026 Multi-Year List (listing form submitted). Source →
Oct 2025 · New GAC to remove PFAS contamination at Well 6, Upgrade Water Treatment Plant · $0
On the FFY2026 Multi-Year List (listing form submitted). Source →
Aug 14, 2025 · This project consists of the construction of a Granular Activated Carbon (GAC) treatment system for the removal of PFOA and PFOS from Sandy Hollow Wells 1 & 2. The existing pair of GAC treatment vessels will be upsized from 20,000-lb capacity to 40,000-lb capacity, providing greater treatment ability to remove PFOA and PFOS from the source water. The project is defined by the engineering report entitled ″PFAS Treatment at Sandy Hollow Road Well No. 1 and 2 Facility″ dated May 2024 by the engineering firm D&B Engineers and Architects, as may be updated, amended, supplemented, and approved by the New York State Department of Health. · $5M
Approved by EFC Board of Directors (Resolution 3087, 2025-08-14). Source →
Jun 26, 2025 · This project consists of the construction of an upsized Granular Activated Carbon (GAC) treatment system for the removal of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) from existing Hewlett Well No. 4. The existing pair of GAC treatment vessels will be upsized from 20,000-lb capacity to 40,000-lb capacity, providing greater treatment ability to remove PFOA and PFOS from the source water. The project is defined by the engineering report entitled ″PFAS Treatment Enhancement at Hewlett Well 4″ dated June 2023 by the engineering firm D&B Engineers and Architects, as may be updated, amended, supplemented, and approved by the New York State Department of Health. · $996k
Approved by EFC Board of Directors (Resolution 3083, 2025-06-26). Source →
Jun 26, 2025 · This project consists of the construction of an upsized Granular Activated Carbon (GAC) treatment system for the removal of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) from existing Hewlett Well No. 4. The existing pair of GAC treatment vessels will be upsized from 20,000-lb capacity to 40,000-lb capacity, providing greater treatment ability to remove PFOA and PFOS from the source water. The project is defined by the engineering report entitled ″PFAS Treatment Enhancement at Hewlett Well 4″ dated June 2023 by the engineering firm D&B Engineers and Architects, as may be updated, amended, supplemented, and approved by the New York State Department of Health. · $4M
Approved by EFC Board of Directors (Resolution 3083, 2025-06-26). Source →
May 22, 2025 · This project consists of the construction of a Granular Activated Carbon (GAC) treatment system for the removal of PFOA and PFOS from the existing Well No. 6. The project is defined by the engineering report entitled “PFAS Treatment at Bar Beach Well 6” dated June 2023 by the engineering firm D&B Engineers and Architects, as may be updated, amended, supplemented, and approved by the New York State Department of Health. · $5M
Approved by EFC Board of Directors (Resolution 3075, 2025-05-22). Source →
Jan 23, 2025 · This project consists of the construction of a Granular Activated Carbon treatment system for the removal of PFOA and PFOS from existing Well No. 7. The project is defined by the engineering report entitled "PFAS Treatment at Ricks Well 7" dated August 2022 by the engineering firm D&B Engineers and Architects, as may be updated, amended, supplemented, and approved by the New York State Department of Health. · $5M
Approved by EFC Board of Directors (Resolution 3064, 2025-01-23). Source →
Oct 2024 · New GAC to remove PFAS contamination at Ricks Well 7, Upgrade Water Treatment Plant · $9.53M
Coded BEC ("Awarded BIL-EC Funding") on the FFY2025 Final IUP Annual List (amount is the project cost). Source →
Oct 2024 · New GAC to remove PFAS contamination at Well 6, Upgrade Water Treatment Plant · $8.19M
Coded BEC ("Awarded BIL-EC Funding") on the FFY2025 Final IUP Annual List (amount is the project cost). Source →
Oct 2024 · Installation of GAC treatment to remove PFAS at Hewlett Well No. 4, Upgrade Water Treatment Plant · $7.72M
On the FFY2025 Annual List above the Expanded Subsidized Interest Rate Funding Line (amount is the project cost). Source →
Oct 2024 · New GAC to remove PFAS contamination at Ricks Well 7, Upgrade Water Treatment Plant · $9.53M
On the FFY2025 BIL-EC Eligible Project List (amount is the project cost). Source →
Oct 2024 · Installation of GAC treatment to remove PFAS at Hewlett Well No. 4, Upgrade Water Treatment Plant · $7.72M
On the FFY2025 BIL-EC Eligible Project List (amount is the project cost). Source →
Oct 2024 · Installation of GAC to treat PFAS, Improvements to site buildings and electric service., Upgrade Water Treatment Plant · $12.4M
On the FFY2025 Multi-Year List (listing form submitted) (amount is the project cost). Source →
Oct 2024 · New GAC to remove PFAS contamination at Ricks Well 7, Upgrade Water Treatment Plant · $9.53M
On the FFY2025 Multi-Year List (listing form submitted) (amount is the project cost). Source →
Oct 2024 · Installation of GAC treatment to remove PFAS at Hewlett Well No. 4, Upgrade Water Treatment Plant · $7.72M
On the FFY2025 Multi-Year List (listing form submitted) (amount is the project cost). Source →
Oct 2024 · New GAC to remove PFAS contamination at Well 6, Upgrade Water Treatment Plant · $8.19M
On the FFY2025 Multi-Year List (listing form submitted) (amount is the project cost). Source →
Undated · New GAC to remove PFAS contamination at Ricks Well 7, Upgrade Water Treatment Plant · $3.41M
IIJA-EC grant awarded (FFY2025 IUP awarded-projects list) (amount is the project cost). Source →
Undated · Installation of GAC treatment to remove PFAS at Hewlett Well No. 4, Upgrade Water Treatment Plant · $996k
IIJA-EC grant awarded (FFY2025 IUP awarded-projects list) (amount is the project cost). Source →
Undated · New GAC to remove PFAS contamination at Well 6, Upgrade Water Treatment Plant · $5M
BIL-EC grant awarded (FFY2024 IUP awarded-projects list) (amount is the project cost). Source →