Genesee and Orleans County Health Departments

City of Batavia

Estimated Population Served: 15,600

Summary of findings (February 5 – April 21, 2026):

Cocaine (parent) / Benzoylecgonine (metabolite): Parent and metabolite average concentrations trended upwards from mid-February to mid-March before they declined. Parent average concentrations remained below regional and national detections, while the metabolite average concentrations surpassed regional and national detections in mid-March. Benzoylecgonine had overall higher average concentrations compared to cocaine.

Fentanyl (parent) / Norfentanyl (metabolite): Parent average concentrations have decreased since mid-March and began to stabilize in April. Metabolite concentrations have remained relatively stable. Concentrations remained below regional and national averages except during mid-March when the average parent concentration exceeded the regional average.

Methamphetamine (parent) / Amphetamine (metabolite): Parent average concentrations remained relatively steady with concentrations below the national averages and in-line with regional averages. Metabolite average concentrations declined in mid-March slightly increasing in the beginning of April. Metabolite concentrations were below national and regional averages except during March. Methamphetamine had overall average concentrations higher than amphetamine.

Xylazine (parent) / 4-Hydroxyxylazine (metabolite): Parent average concentrations fluctuated with an increase that occurred from mid‑February through early March, followed by a decline and eventual non‑detection from the end of March onward. These concentrations stayed below the national average except during the first-half of March and remained below the regional average. Metabolite concentrations were not detected.

Trans-3’-Hydroxycotinine (metabolite of nicotine): Average concentrations of Trans-3’-Hydroxycotinine increased from the end of February to mid-March before sharply declining, until beginning to increase again in April. During the period of elevation between February to March, the concentration was above the regional average but remained below the national average the entire time.

Cocaine (parent)/Benzoylecgonine (metabolite)

Line graph displaying cocaine concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of cocaine in nanograms per liter which ranges from zero to 1,000. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Levels in the City of Batavia trended upwards from mid-February to mid-March before they declined. Between February 5 to April 21, 2026, cocaine concentrations were below both the national and northeast regional averages. Most recently, on April 21st, the cocaine level measured in the City of Batavia was 461 nanograms per liter, which was lower than the national average of 793 nanograms per liter and the northeast regional average of 807 nanograms per liter.

Line graph displaying benzoylecgonine concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of benzoylecgonine in nanograms per liter which ranges from zero to 3,000. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Benzoylecgonine is the metabolite of cocaine. Findings include that the average benzoylecgonine levels in the City of Batavia were lower than both the regional and national averages except when spike occurred in mid-March, with the highest concentration of 2,870 nanograms per liter and have been lower since then. Most recently, on April 21st, the benzoylecgonine level measured in the City of Batavia was 1,833 nanograms per liter, which lower than the national average of 2,513 nanograms per liter and the northeast regional average of 2,355 nanograms per liter.

Fentanyl (parent)l/Norfentanyl (metabolite)

Line graph displaying fentanyl concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of fentanyl in nanograms per liter which ranges from zero to 20. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Levels in the City of Batavia trended upwards from the end of January to mid-March but have declined since and began to stabilize in April. Findings include that the average fentanyl levels in the City of Batavia stayed lower than both the national and regional averages except during mid-March. Most recently, on April 21st, the fentanyl level measured in the City of Batavia was 3.30 nanograms per liter, which was lower than the national average of 12.62 nanograms per liter and the northeast regional average of 11.97 nanograms per liter.

Line graph displaying norfentanyl concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of norfentanyl in nanograms per liter which ranges from zero to 30. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Norfentanyl is the metabolite of fentanyl. Levels of norfentanyl in the City of Batavia have been relatively stable and remained below the national and regional average. Most recently, on April 21st, the norfentanyl level measured in the City of Batavia was 10.13 nanograms per liter, which was lower than the national average of 27.29 nanograms per liter and the northeast regional average of 26.90 nanograms per liter.

Methamphetamine (parent)/Amphetamine (metabolite)

Line graph displaying methamphetamine concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of methamphetamine in nanograms per liter which ranges from zero to 2,000. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Levels in the City of Batavia during have been relatively stable and aligned with the northeast regional. Findings include that the average fentanyl levels in the City of Batavia stayed lower than both the national and regional averages until March when the concentration exceeded the regional average. Most recently, on April 21st, the methamphetamine level measured in the City of Batavia was 262 nanograms per liter, which was lower than the national average of 1,774 nanograms per liter and the regional average of 408 nanograms per liter.

Line graph displaying amphetamine concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of amphetamine in nanograms per liter which ranges from zero to 400. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Amphetamine is the metabolite of methamphetamine. Trends in amphetamine consumption may not always mirror those of methamphetamine, as amphetamine itself is commonly prescribed and can also be used illicitly. Levels of amphetamine in the City of Batavia have fluctuated between 100-300 nanograms per liter, decreasing since mid-March before beginning to trend upwards in April. Concentrations remained below the national average and regional average except during March when it exceeded the regional average. Most recently, on April 21st, the amphetamine level measured in the City of Batavia was 145 nanograms per liter, which was lower than the national average of 431 nanograms per liter and the northeast regional average of 230 nanograms per liter.

Xylazine (parent)/4-hydroxyxylazine (metabolite)

Line graph displaying xylazine concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from January 29 to April 7, 2026. The Y-axis is displaying the effective concentration of xylazine in nanograms per liter which ranges from zero to 1.4. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Levels in the City of Batavia fluctuated, showing a rise from mid‑February through early March, followed by a decline and eventual non‑detection from the end of March onward. Findings include that the average xylazine levels in the City of Batavia stayed below the national average except during the first-half of March and remained below the regional average throughout this time-period. Most recently, on April 21st, no xylazine was detected in the City of Batavia, which was lower than the national average of 0.71 nanograms per liter and the northeast regional average of .92 nanograms per liter.

Line graph displaying 4-hydroxyxylazine concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of 4-hydroxyxylazine in nanograms per liter which ranges from zero to 0.01. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. 4-hydroxyxylazine is the metabolite of xylazine. 4-hydroxyxylazine was not been detected in the City of Batavia. On April 21st, the average concentration of 4-hydroxyxylazine nationally and regionally is 0.00 nanograms per liter and for the northeast region it was 0.01 nanograms per liter.

Trans-3'-Hydroxycotinine (Nicotine metabolite)

Line graph displaying trans-3’-hydroxycotinine concentrations from the City of Batavia wastewater treatment plant, the United States national average, and the northeast regional average from February 5 to April 21, 2026. The Y-axis is displaying the effective concentration of trans-3’-hydroxycotinine in nanograms per liter which ranges from zero to 4,000. The x-axis is displaying a 90-day lookback which ranges from February to May 2026. Trans-3’-hydroxycotinine is the metabolite of nicotine. Levels of trans-3’-hydroxycotinine in the City of Batavia during this time-period fluctuated between 2,300 to 4,300 nanograms per liter, decreasing at the end of March before beginning to trend upwards in April. Most recently, on April 21st, the trans-3’-hydroxycotinine level measured in the City of Batavia was 3,123 nanograms per liter, which was lower than the national average of 4,280 nanograms per liter and the northeast regional average of 3,333 nanograms per liter.