New Hampshire
Clean Watersheds Needs Survey 2012
Distribution of total official needs by State
(January 2012 dollars In billions)
Total documented needs = $271.0 Billion
Range	I I 1 I I I
>$25B S5-S25B $2.5-$5B J1-S2.5B
~
Did not participate
The Clean Watersheds Needs Survey (CWNS) is a
comprehensive assessment of needs to meet the water
quality and water-related public health goals of the Clean
Water Act (CWA). States and the U.S. Environmental
Protection Agency (EPA) conduct the CWNS every four
years under CWA Section 516 (b).
Visit www.epa.gov/CWNS for more information.
Category II
Advanced
Category
Category I
Secondary Wastewater Treatment
S314M, 15.9%
CWNS 2012 New Hampshire documented needs
by category (January 2012 dollars in millions).
I Secondary Wastewater Treatment
Advanced Wastewater Treatment
III Conveyance System Repair
iV New Conveyance Systems
V	Combined Sewer Overflow Correction
VI	Stormwater Management Program
X Recycled Water Distribution
Total
Category VI
Stormwater
Management Program
$272M, 13.8%
Wastewater
Treatment
$367M, 18.6%
Category V
Combined Sewer
Overflow Correction
$606IVI, 30.6%
category IV
New Conveyance Systems
$236M, 11.9%
Category ill
Conveyance
System Repair
$184M, 9.3%
Percent
15.9
18.6
9.3
11.9
30.6
13.8
nr
100.0
Improvements in treatment level of New Hampshire's publicly-owned wastewater treatment plants.

Population served in millions (number of facilities)
Population change
from 2008-2012
Projected
population change
from 2012-2032
Level of treatment
2004
2008
2012
2032
Less than Secondary8
<0.1(1)
<0.1 (1)
<0.1 (1)
-(0)
5.5%
¦100.0%
Secondary
0.6(67)
0.6(69)
0.5 (64)
0.4 (43)
-12.4%
-25.8%
Greater than Secondary
A
O
< 0.1 (3)
<0,1 (7)
0.4 (27)
147.7%
1273.7%
No Discharge
<0.1(11)
<0.1(13)
<0.1 (14)
<0.1 (16)
4.0%
131.7%
Partial Treatment
5 (3)
"(2)
"(2)
-d)
-
-
Total
0.7 (86)
0.7 (88)
0.6 (88)
0.8 (87)
¦8.8%
36.9%
a Includes facilities granted section 301(h) waivers from secondary treatment for discharges to marine waters. As of January 1, 2012 waivers for 36 facilities in the CWNS 2012 database had been
granted or were pending.
Total New
Hampshire needs
for the 2004-2012
CWNS by category
(January 2012
dollars in millions).
~ 2008
~ 2012
Needs Category

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