# Presentation: 801061

## U.S. Geological Survey Presentation to theNew YorkDrought Management Task ForceAugust 10, 1999

**Data-Collection Network Funded in Cooperation **
**with other State, Federal, and local Agencies**

***Web Page     ny.usgs.gov***

## Surface Water Conditions

**Surface Water Conditions**

**Gary Firda**
**New York District**
**Surface-Water Specialist**

- Mohawk River at Cohoes, NY

## 93%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**93%**

**98%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## 99%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**99%**

**98%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## 95%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**95%**

**94%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## 87%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**87%**

**92%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## 100%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**100%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## 90%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**90%**

**100%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## 100%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**100%**

**93%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## 89%

**EXPLANATION**

- DISCHARGE, IN CUBIC FEET PER SECOND

**89%**

**63%**

- Maximum / Minimum thru WY98
- 25 / 75% Exceedance thru WY98
- Median thru WY98
- Current mean monthly discharge
- 95% Exceedance thru WY98

## Streamflow Conditions for July 1999 

## Streamflow Conditions for August 1-8, 1999 

## Salt-Front Location in the Hudson River Aug. 10, 1999

*About 5  miles downstream *
*of Poughkeepsie’s Water-*
*Supply Intakes.*
**Salt-Front on 8/10/99**
**at about **
**River-Mile 72 **

**Gaging Station Location**

**Salt-Front Location in the Hudson River Aug. 10, 1999**

## Specific Conductance

## Location of Salt Front in Hudson River

- Data Through August 8, 1999

## Ground-Water Conditions

**Ground-Water Conditions**

**John Williams**
**New York District**
**Ground-Water Specialist**

## Du-1009, Dutchess County

- WATER LEVEL, IN FEET
- BELOW LAND SURFACE

- Maximum/Minimum thru WY98
- 75/25 % Exceedance thru WY98
- 90 % Exceedance thru WY98
- 95 % Exceedance thru WY98
- Median thru WY98
- Current water levels

**EXPLANATION**

**Values through month of July**

## A-636, Albany County

- WATER LEVEL, IN FEET
- BELOW LAND SURFACE

- Maximum/Minimum thru WY98
- 75/25 % Exceedance thru WY98
- 90 % Exceedance thru WY98
- 95 % Exceedance thru WY98
- Median thru WY98
- Current water levels

**EXPLANATION**

**Values through month of July**

## Wo-4, Wyoming County

- WATER LEVEL, IN FEET
- BELOW LAND SURFACE

- Maximum/Minimum thru WY98
- 75/25 % Exceedance thru WY98
- 90 % Exceedance thru WY98
- 95 % Exceedance thru WY98
- Median thru WY98
- Current water levels

**EXPLANATION**

**Values through month of July**

## Sb-472, Steuben County

- WATER LEVEL, IN FEET
- BELOW LAND SURFACE

- Maximum/Minimum thru WY98
- 75/25 % Exceedance thru WY98
- 90 % Exceedance thru WY98
- 95 % Exceedance thru WY98
- Median thru WY98
- Current water levels

**EXPLANATION**

**Values through month of July**

## S5517, Suffolk County

- WATER LEVEL, IN FEET
- BELOW LAND SURFACE

- Maximum/Minimum thru WY98
- 75/25 % Exceedance thru WY98
- 90 % Exceedance thru WY98
- 95 % Exceedance thru WY98
- Median thru WY98
- Current water levels

**EXPLANATION**

**Values through month of July**

## Federal-State observation well network

**Values through month of July**